Stato della piattaforma di Microsoft Edge
Visualizza le funzionalità dello stato della piattaforma Web in Microsoft Edge (Chromium) e Microsoft Edge (EdgeHTML).
Nota: non si tratta di un elenco esaustivo delle funzionalità. Nel corso del tempo verranno aggiunte altre funzionalità all'elenco.
Funzionalità (risultati 355)
accesso
Mostra le funzionalità con:
Questi stati in Microsoft Edge (Chromium)
Questi stati in altri browser
Accelerometer Supportati Numero build 79
Provides access to device’s acceleration along its three primary axes.
Accessible Name and Description: Computation and API Mappings 1.1 Non supportati
Determines names and descriptions of accessible objects to expose via UIA for assistive technologies to describe to users.
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Non supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Accessible Rich Internet Applications (WAI-ARIA) 1.1 Supportati Numero build 79
Support for new WAI-ARIA 1.1 roles, states, and properties which define new accessible user interface elements since WAI-ARIA 1.0.
a[download] attribute Supportati Numero build 79
When used on an <a>, this attribute signifies that the resource it points to should be downloaded by the browser rather than navigating to it.
Ambient Light Sensor API Non supportati
Ambient Light Event API which is a handy way to make a web page or web app aware of any change in light intensity.
APNG image format Supportati Numero build 79
APNG is an extension of the PNG format, adding support for animated images.
Application Cache Deprecata Numero build 94
Enables web pages to work without the user being connected to the internet
App shortcuts Supportati Numero build 85
Lets a web application register shortcuts for common tasks. These would typically be added to the app launcher icon (for a progressive web app) enabling the user to quickly run key tasks.
ARIA Landmark Roles Supportati
Support for ARIA roles indicating regions of the page intended as navigational landmarks.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
Array.prototype.includes (ES2016) Supportati Numero build 79
Method to determine whether an array includes a given element.
Arrow function (ES6) Supportati Numero build 79
The arrow (=>) provides a shorthand for the function keyword with lexical 'this' binding.
ASM.js Supportati Numero build 79
Performance options for a low-level subset of JavaScript, including recognition of the 'use asm' directive and ahead-of-time compilation.
Async Functions Supportati Numero build 79
Async functions make it easy to write code which needs to "block" on certain asynchronous events JavaScript. Async/await does this by providing a simpler and more ergonomic way to use Promises. To block on a value, use the 'await' keyword. Async/await can be implemented based on a desugaring to generators, as described in the following design doc: https://docs.google.com/document/d/1K38ct2dsxG_9OfmgErvFld4MPDC4Wkr8tPuqmSWu_3Y/edit?usp=sharing
Asynchronous Iterators Supportati Numero build 79
Introduces the AsyncIterator interface, an asynchronous iteration statement (for-await-of), and async generator functions.
Audio Output Devices API Supportati Numero build 79
The Audio Output Devices API allows a Web application to direct audio output to authorized endpoints other than the user agent default.
Audio tracks Non supportati Numero build 79
Adds the ability to get information about multiple audio tracks, and switch between them using the AudioTrack.enabled attributes.
AV1 Decoder Supportati Numero build 79
AV1 is a next generation codec developed by the Alliance for Open Media. AV1 improves compression efficiency over the VP9 video codec.
Backdrop filter In fase di sviluppo
Applies a CSS filter effect to the content behind an element. This is not the element's background but the content that would be drawn behind it.
Versione con prefisso: Microsoft Edge build 17063+
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In fase di sviluppo in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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In fase di sviluppo in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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In fase di sviluppo in Safari
background-blend-mode Supportati Numero build 79
Specifies the blending mode used for each background layer
Anteprima in: Microsoft Edge build 17763+ abilitando in about:flags
Background Sync API Supportati Numero build 79
Provides an API for notifying a Service Worker that the user has come back online, or to schedule periodic events to synchronize local data with the server.
Battery Status API Supportati Numero build 79
Allows access to see the battery level of the device's battery
Beacon Supportati Numero build 79
Enables web applications to asynchronously transfer data from the user agent to a web server, with the user agent taking the responsibility to eventually send the data.
Blob Supportati Numero build 79
Allows you to construct Blobs directly (var blob = new Blob(["1234"], {type: 'text/plain'})). Blob() constructor also can take ArrayBufferView directly rather than constructing a blob with ArrayBuffer.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Non supportati in Firefox
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Spedito in Internet Explorer 11
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Non supportati in Safari
Box Alignment In fase di sviluppo
CSS properties for aligning boxes within their container. Allows for true vertical centering among other features.
Brotli Compressed Data Format Supportati Numero build 79
Support for the Brotli data format as an HTTP content-encoding method.
Cache API Supportati Numero build 79
The Cache API consists of additional ServiceWorker APIs which allow authors to fully and conveniently manage their content caches for offline use. An origin can have multiple, named Cache objects, whose contents are entirely under the control of Service Worker scripts.
Cache-Control: Immutable Non supportati
Allows servers to identify resources that will not be updated during their freshness lifetime, thus, ensuring that a client never needs to revalidate a cached fresh resource to be certain it has not been modified.
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Non supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Canvas Supportati Numero build 79
Provides an API to draw 2D graphics
Canvas 2D ellipse Supportati
Provides a method to draw arcs on a 2D canvas drawing surface.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Canvas 2D Path2D Supportati
Path2D objects can be used to declare paths that are then later used on CanvasRenderingContext2D objects.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
Canvas2D text decoration Non supportati
Add a textDecoration attribute to canvas 2D contexts, behavior similar to existing "font" attribute: It's a DOMString, parsed the same way as corresponding CSS property (text-decoration).
Canvas focus ring Non supportati Numero build 79
Adds APIs to the canvas 2D context that make it possible to draw a focus ring around a canvas path and notify the operating system of the bounding box of the focused object for accessibility.
Classes (ES6) Supportati Numero build 79
Syntax for declaring classes.
Client-side video editing (MediaBlob) Non supportati
Clipboard API Supportati
Standard APIs for interacting with the clipboard (copy/cut/paste operations). IE currently supports a legacy model for clipboard access.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
Color input type Supportati
Input controls for picking colors via <input type='color'>.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Compositing and Blending in Canvas 2D Supportati
The canvas 2d context has the globalCompositeOperation attribute that is used to set the current compositing and blending operator.
Conditional Rules Supportati Numero build 79
Support for the @supports at-rule and the "window.CSS.supports()" API
Conic Gradients Supportati Numero build 79
Specifies a gradient where the color stops are placed around the circumference of a circle.
Console Logging APIs Supportati
APIs to log messages to a connected developer tool. Covering console.assert, console.log, console.info, console.warn, console.error, console.debug, console.dir, console.dirxml.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Spedito in Internet Explorer 11
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Supportati in Safari
console.table Supportati
console.table allows the logging of tabular data to a connected developer tool.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
Content Security Policy Supportati Numero build 79
Allows you to create an allow list of sources of trusted content, and instructs the browser to only execute or render resources from those sources.
Content Security Policy Level 2 Supportati Numero build 79
An evolution of the Content Security Policy specification, allowing developers to create a whitelist of sources of trusted content, and instructing the browser to only execute or render resources from those sources.
Credential Management API Supportati Numero build 79
Credential Management API describes an imperative API enabling a website to request a user’s credentials from a user agent, and to help the user agent correctly store user credentials for future use. For EdgeHTML, only WebAuthn is supported.
Cross-Domain Font Loading Deprecata
Increases interoperability with the web by relaxing domain and licensing metadata restrictions for EOT, WOFF, and TrueType fonts. Development work for IE is currently for Windows Phone only.
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Deprecata in Microsoft Edge (Chromium)
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In fase di sviluppo in Microsoft Edge (EdgeHTML)
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Deprecata in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSP Level 3 strict-dynamic source expression Supportati Numero build 79
Allows script loaded via a CSP2 nonce-based or hash-based whitelist to load other script, enabling developers and site administrators to reduce their reliance on whitelists and to tighten CSP implementations.
CSP upgrade-insecure-requests directive Supportati Numero build 79
Allows a server to instruct the user agent to upgrade insecure requests via a Content-Security-Policy header. This directive is meant to make it even easier for a site administrator to move towards using all secure transports, while avoiding having to make massive updates to URLs in their web applications.
CSS all shorthand Supportati Numero build 79
The all property is a shorthand that resets all CSS properties except direction and unicode-bidi
CSS calc() Supportati Numero build 79
Method of allowing calculated values for length units, i.e. width: calc(100% - 3em)
CSS Containment Supportati Numero build 79
A primitive for isolating style, layout, and paint. This will allow web developers to opt into the various aspects of the pipeline, allowing for UA optimizations.
CSS Contextual Reference Element Pseudo-class :scope Supportati
The :scope pseudo-class represents any element that is in the contextual reference element set.
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Supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS Custom Properties (a.k.a. CSS Variables) Supportati Numero build 79
Introduces cascading variables as a new primitive value type that is accepted by all CSS properties, and custom properties for defining them.
CSS Device Adaptation Non supportati Numero build 79
The @viewport rule, in combination with media queries, enabled web developers to optimize the layout of sites and apps for different devices with minimal effort. It generalizes the viewport meta tag to CSS, while being much simpler to understand and without the quirks that exists with the meta tag.
Anteprima in: abilitando in about:flags
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Non supportati in Microsoft Edge (Chromium)
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prefixed in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Spedito in Internet Explorer 11
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Non supportati in Safari
CSS filter() image function Non supportati
The function allows filtering an CSS input image with a set of filter functions. The used filter functions are the same as for the CSS filter property. The filter() function can be animated as well.
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Non supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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In fase di sviluppo in Safari
CSS filter(url) using SVG elements Supportati Numero build 79
The function allows filtering using SVG Filter elements as the filter function.
CSS Font Loading API Supportati Numero build 79
This CSS module describes events and interfaces used for dynamically loading font resources.
CSS font-stretch Supportati Numero build 79
Add support for the CSS font-stretch property.
CSS Gradient Midpoints Supportati
Allows specifying an optional location between the color stops of a CSS gradient.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS Grid Layout Supportati Numero build 79
A two-dimensional grid-based layout system, optimized for user interface design.
Versione con prefisso: IE 10+, Microsoft Edge build 10240+
CSS image-set() Supportati
Enables responsive images in CSS by specifiying multiple resolutions of an image that the browser can select from for the given situation.
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Supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS initial value Supportati
If the cascaded value of a property is the initial keyword, the property’s initial value becomes its specified value.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS Intrinsic Sizing Supportati Numero build 79
Extends the CSS sizing properties with keywords that represent content-based "intrinsic" sizes and context-based "extrinsic" sizes, allowing CSS to more easily describe boxes that fit their content or fit into a particular layout context.
CSS Level 3 attr() function Non supportati
Support the attr() function as a component value in properties applied to an element. Currently, attr() is only supported in the content property applied to pseudo-elements.
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Non supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
CSS Logical Properties Level 1 Non supportati
Introduces logical properties and values that provide the author with the ability to control layout through logical, rather than physical, direction and dimension mappings.
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Non supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
CSS Motion Path Supportati Numero build 79
Motion paths allow authors to animate any graphical object along an author specified path.
CSS Mutability Pseudo-classes Supportati
:read-only and :read-write pseudo-classes to match elements which are considered user-alterable for the purposes of Selectors.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSSOM View smooth scroll API Supportati Numero build 79
Adds an optional argument to existing scroll APIs that specifies whether scrolling should be smooth. Also adds a CSS property for this.
CSS outline-offset Supportati
Allows you to define an offset from the border box for your outline
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS pointer-events Supportati
Enables control of whether an element can receive input events from a pointing device using an API similar to the existing pointer-events property from SVG.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Spedito in Internet Explorer 11
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Supportati in Safari
CSS Range Pseudo-classes Supportati
:in-range and :out-of-range pseudo-classes to match elements that are candidates for constraint validation, have range limitations, and are/are not suffering from underflow or overflow.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS Relational Pseudo-class :has Non supportati
The relational pseudo-class, :has(), is a functional pseudo-class taking a relative selector list as an argument. Similar to jQuery’s :has() selector.
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Non supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
CSS resize Supportati
Allows one to specify whether or not an element is resizable by the user, and if so, along which axis/axes
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Supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS Scroll Snap Points Supportati Numero build 79
Enables rich, customizable, and performant scrolling experiences like pagination of carousels by using snap points that enforce the scroll offsets that a scroll container may end at after a scrolling operation has completed.
Versione con prefisso: IE 10+, Microsoft Edge build 10240+
CSS Selectors Level 4 Non supportati
Extends the selectors with :matches, :has, :not(complex selector), :dir, case insensitive attribute matching and more.
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Non supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
CSS tab-size property Supportati
The tab-size property sets the size used to render tab characters in situations where white space is preserved
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Supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS touch-action Supportati Numero build 79
New CSS property to enable websites to declaratively state how touches should be handled for purposes of scrolling and zooming.
Versione con prefisso: IE 10+, Microsoft Edge build 10240+
CSS Transforms - preserve-3d Supportati
Augments existing CSS 3d transforms by facilitating the construction of complex 3d scenes.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS Transitions for SVG elements Supportati
Allows CSS Transitions for SVG elements.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS unset value Supportati
If the cascaded value of a property is the ‘‘unset’#’ keyword, then if it is an inherited property, this is treated as ‘inherit’, and if it is not, this is treated as ‘initial’. This keyword effectively erases all declared values occurring earlier in the cascade, correctly inheriting or not as appropriate for the property (or all longhands of a shorthand).
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
CSS vmax unit Supportati
A viewport relative length unit equal to the larger of vw (viewport width) or vh (viewport height).
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
CSS Will Change Supportati Numero build 79
Adds a will-change CSS property, that can be used to signal that a particular property is likely to be changed in the future, or that an element's content is likely to change.
Custom Elements Supportati Numero build 79
Method for registering (creating) custom elements in script (often used in Web Components).
Custom filters (shaders) Non supportati
Filter effects are a way of processing an element’s rendering before it is displayed in the document.
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Non supportati in Microsoft Edge (Chromium)
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Al momento non pianificato in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
<data> Element Non supportati
An HTML element which represents its content in machine-readable and human-readable formats.
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Non supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
<datalist> Element Supportati Numero build 79
Shows a list of pre-defined options to suggest to the user when entering an input element.
Default parameter (ES6) Supportati Numero build 79
Allows formal parameters to be initialized with default values if no value is passed.
Delegated ink trail Non supportati
Enable web applications to describe the last input pointer with sufficient detail so that the browser can present the segments of the ink trail for input that has been delivered, but not yet rendered (the pointer trail).
Destructuring (ES6) Supportati Numero build 79
Destructuring assignment allows extracting data from arrays or objects using a syntax that mirrors array and object literals.
<details>/<summary> Supportati Numero build 79
Interactive widget to show/hide content. NOTE: A first implementation landed in some Preview builds of Edge, but we had to pull it off due to quality issues.
Device Motion Supportati Numero build 79
Provides access to device's physical motion.
Device Orientation Supportati Numero build 79
Provides access to device's physical orientation
devicePixelRatio on zoom Supportati Numero build 79
Update window.devicePixelRatio on full page zoom so that it accurately portrays the ratio between css and device pixels.
<dialog> element for modals Supportati Numero build 79
An HTML element for modal and non-modal dialog boxes
Digital Publishing Accessibility API Mappings Non supportati
Defines how user agents map the Digital Publishing WAI-ARIA Module markup to platform accessibility APIs.
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Non supportati in Microsoft Edge (Chromium)
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In fase di esame in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
Directory Upload Non supportati
Enable directory uploading by allowing a developer to read directory contents (files and sub-directories) asynchronously and be able to identify the directory structure. For EdgeHTML, more information about the webkitdirectory attribute can be found here: https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/webkitdirectory.
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Non supportati in Microsoft Edge (Chromium)
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Supporto parziale in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
display: contents Supportati Numero build 79
"display: contents" allows you to control the box generation of an element. The element with "display: contents" won't generate any box, but its children and pseudo-elements will still do it as normal. It's like the element has been replaced by its children and pseudo-elements.
DNS Prefetch Resource Hints Supportati
A link relation type used to indicate an origin that will be used to fetch required resources and that the browser should resolve as early as possible.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Spedito in Internet Explorer 11
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Non supportati in Safari
DOM3 Keyboard Events Supportati Numero build 79
KeyboardEvent: keydown, keyup, keypress
DOM3 mouseenter & mouseleave Events Supportati Numero build 79
DOM event analog of CSS :hover psuedo-selector that fires as the mouse enters and exits the bounding box of an element (including its children).
DOM3 Wheel Events Supportati Numero build 79
Implementation of the standard DOM Level 3 WheelEvent for mouse wheel rotation.
DOM Event Constructors Supportati
Replaces document.createEvent() and associated event object init methods with constructors for each event interface.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
DOM Level 3 XPath Supportati
Provides simple functionality to access a DOM tree using the XPath syntax.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
DOM ParentNode methods: prepend, append, and ChildNode methods: before, after, and replaceWith Supportati Numero build 79
Convenience methods for working with DOM Node trees
dppx Unit for the resolution Media Query Supportati
One dppx unit represents the number of 'dots' in a CSS px.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
Drag and Drop Directories Supportati Numero build 79
Allows dragging and dropping entire folders using HTML5 Drag and Drop. Extends the DataTransferItem with a method to get a FileEntry/DirectoryEntry.
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Supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
DualScreen/Foldables CSS additions Non supportati
Add new CSS media feature and environment variables to enable web developers to target a new class of foldable devices with responsive layouts.
ECMAScript Internationalization API Supportati
Provides APIs for string comparison and date/time/number formatting in a locale-aware manner.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Spedito in Internet Explorer 11
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Non supportati in Safari
EditContext API Non supportati
Simplifies the process of integrating a web app with advanced text input methods such as VK shape-writing, Handwriting panels, speech recognition, IME Compositions etc., improves accessibility and performance, and unlocks new capabilities for web-based editors.
Efficient Script Yielding - setImmediate() Non supportati
Allows web applications to flush the browser event queue and receive an immediate callback.
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Non supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Spedito in Internet Explorer 11
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Non supportati in Safari
Encoding Standard Supportati Numero build 79
This specification addresses gaps so user agents do not have to reverse engineer encoding implementations.
Encrypted Media Extensions Supportati Numero build 79
Defines a common API that may be used to discover, select and interact with such systems as well as with simpler content encryption systems.
Versione con prefisso: IE 11, Microsoft Edge build 10240+
ES6 Block bindings (let, const, function) Supportati Numero build 79
Allows developers to explicitly qualify access to variables within a block.
ES6 Iterators (i.e. the for-of feature) Supportati Numero build 79
Iterates over iterable objects (including arrays, array-like objects, iterators and generators), invoking a custom iteration hook with statements to be executed for the value of each distinct property.
ES6 Numeric Literals Supportati Numero build 79
Allows binary and octal numeric literals using 0b101 and 0o753 respectively.
ES6 Object Literal Enhancements Supportati Numero build 79
Adds computed properties, concise method definitions, and short-hand for properties whose value is initialized to a same-named variable.
ES Module Attributes In fase di esame
An inline syntax for module import statements to pass on more information alongside the module specifier.
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In fase di esame in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Event Listener "once" Option Supportati Numero build 79
Option to mark an event listener to fire only once
Exclusions Non supportati
Define areas inline content should avoid, and how inline content should wrap around them.
Versione con prefisso: IE 10+, Microsoft Edge build 10240+
-
Non supportati in Microsoft Edge (Chromium)
-
prefixed in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Spedito in Internet Explorer 11
-
Non supportati in Safari
Exponentiation Operator (ES2016) Non supportati
-
Non supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Extended srcset and sizes support Supportati Numero build 79
Extends the current implementation of the srcset attribute by adding support for the width descriptor and the sizes attribute.
Fetch API Supportati Numero build 79
The Fetch specification defines requests, responses, and the process that binds them; fetching.
FIDO U2F Non supportati
FIDO Universal Second Factor API allows online services to augment the security of their existing password infrastructure by adding a strong second factor to user login via a USB or NFC device. Also see FIDO 2.0 Web APIs, a newer specification that supports additional authentication methods, such as biometrics, and can replace passwords altogether as well as provide U2F functionality.
FileReader Supportati Numero build 79
The FileReader object lets web applications asynchronously read the contents of files (or raw data buffers) stored on the user's computer, using File or Blob objects to specify the file or data to read.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Spedito in Internet Explorer 11
-
Non supportati in Safari
FileWriter Supportati Numero build 79
Enables writing to files from web applications.
-
Supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Filters Supportati Numero build 79
Apply filter effects to arbitrary DOM elements.
FindText API Non supportati
Provides an API for finding ranges of text in a document, with a variety of selection criteria. Similar to a user-agent's find-on-page or page-search capability.
-
Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
FLAC Audio Codec Supportati Numero build 79
An open codec for audio.
Flexbox Supportati Numero build 79
A CSS box model optimized for user interface design. The children of a flex container can be laid out in any direction and can "flex" their sizes to fill unused space and avoid overflowing the parent.
Versione con prefisso: IE 10+, Microsoft Edge build 10240+
:focus-visible pseudo-class Non supportati
Applies while an element matches the :focus pseudo-class and the user agent (browser, etc) determines via heuristics that the focus should be made evident on the element.
-
Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
:focus-within pseudo-class Supportati Numero build 79
The :focus-within pseudo-class applies to elements for which the :focus pseudo class applies. An element also matches :focus-within if one of its descendants in the flat tree (including non-element nodes, such as text nodes) matches the conditions for matching :focus.
font-variant longhands Supportati Numero build 79
Allows authors to utilize longhand properties of font-variant-caps, font-variant-ligatures, font-variant-numeric, font-variant-alternates, font-variant-east-asian, font-variant-position for font selection and adjustments rather than utilizing lower level props such as font-feature-settings.
Font Variation Properties with OpenType Variable Font Support Supportati Numero build 79
Allows multiple instances of fonts to be defined by interpolating glyph outlines along different axis.
Forced colors mode Supportati Numero build 89
Adds the 'forced-colors' and 'forced-color-adjust' media features, which is used to detect if the user agent has enabled a forced colors mode where it enforces a user-chosen limited color palette on the page.
Form attribute Supportati
Attribute for associating input and submit buttons with a form.
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Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Frame Timing Non supportati
An interface for web applications to access runtime performance information of the browser event loop.
From-Origin header Non supportati
Allows authors to send a header of a whistelisted set of domains from the server to other origins from loaded or accessing the content
-
Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Fullscreen API Supportati Numero build 79
Programmatically instruct content on the page to be presented in the browser's full screen (kiosk) mode. Starting in 14.14393, this is prefixed in Edge due to compatibility issues. We are working with other browser vendors to coordinate switching to an unprefixed implementation in the future.
Versione con prefisso: IE 11, Microsoft Edge build 10240+
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Spedito in Internet Explorer 11
-
Non supportati in Safari
GamePad API Supportati Numero build 79
Gives JS access to a game controller via USB.
Generated Content for Paged Media Non supportati
CSS properties helpful for printed publication.
-
Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Generators (ES6) Supportati Numero build 79
A generator is a special type of function that works as a factory for iterators.
Geolocation Supportati Numero build 79
Provides access to device's physical location
Geometry Interfaces Supportati Numero build 79
This specification provides basic geometric interfaces to represent points, rectangles, quadrilaterals and transformation matrices that can be used by other modules or specifications.
Gradients Supportati Numero build 79
Gradients provide a method to, over a customizable amount of space, transition from one color to another.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Spedito in Internet Explorer 11
-
Non supportati in Safari
Gyroscope Supportati Numero build 79
Provides access to device’s rotation around its three primary axes.
H.264/AVC for RTC Non supportati
Support for H.264/AVC in RTC scenarios.
-
Non supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Hardware Concurrency Supportati Numero build 79
An API for reading the system's total number of logical processors available to the user agent, up to an optional thread limit per origin.
High Resolution Time Supportati Numero build 79
Enables reliable, high-resolution timing of client-side performance.
High Resolution Time 2 Supportati
An API that provides translation of the current sub-millisecond resolution time between origins.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
High Resolution Time 3 Non supportati
Adds performance.timeOrigin, allowing DOMHighResTimeStamps from separate Windows to be interleaved into a single timeline.
-
Non supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
HTMLCanvasElement toBlob method Supportati Numero build 79
Creates a Blob object representing a file containing the image in the canvas, and invokes a callback with a handle to that object.
Versione con prefisso: IE 10+, Microsoft Edge build 10240+
HTML Form HTTP Extensions Non supportati
An addendum to HTML5 forms extending the abilities of configuring HTTP requests through HTML markup.
-
Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
HTML Imports Deprecata Numero build 80
Import HTML documents into other HTML documents (often used in Web Components).
HTML Sections in Accessibility API Supportati
Exposes HTML sectioning elements (such as section, article, main, etc.) in the Accessibility API.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
HTTP/2 Supportati Numero build 79
A faster protocol for transporting web content standardized by the IETF.
HTTP/2 Server Push Supportati
HTTP/2 allows a server to pre-emptively send (or "push") responses (along with corresponding "promised" requests) to a client in association with a previous client-initiated request. This can be useful when the server knows the client will need to have those responses available in order to fully process the response to the original request.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
HTTP Client Hints Supportati Numero build 79
Header for proactive content negotiation; just as the Accept header allowed clients to indicate what formats they prefer, Client Hints allow clients to indicate a list of device and agent specific preferences.
HTTP Live Streaming (HLS) Supportati
Expands our plugin-free adaptive video streaming to support the popular HLS protocol for transferring unbounded streams of multimedia data.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
HTTP Strict Transport Security (HSTS) Supportati Numero build 79
Header to inform the browser to always request a given domain over SSL, reducing MITM attack surface area.
iframe[sandbox] attribute Supportati Numero build 79
Method of running external site pages with reduced privileges (i.e. no JavaScript) in iframes (<iframe sandbox="allow-same-origin allow-forms" src="..."></iframe>)
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Spedito in Internet Explorer 11
-
Non supportati in Safari
iframe[seamless] attribute Non supportati Numero build 79
The seamless attribute is used to embed an <iframe> in the calling page without scrollbars or borders (e.g. seamlessly) and with the parent document's styles applying to the embedded seamless iframe.
iframe[srcdoc] attribute Supportati Numero build 79
Gives the content of an iframe as a src context to embed (e.g. <iframe seamless srcdoc="<b>Hello World</b>"></iframe>).
-
Supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
image-rendering Supportati Numero build 79
Provides a hint to the browser on which scaling algorithm should be used.
-
Supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
IME API In fase di sviluppo
Provides Web applications with scripted access to an IME (input-method editor).
Versione con prefisso: IE 11, Microsoft Edge build 10240+
<img srcset> Supportati Numero build 79
Enable a responsive images solution by providing the browser multiple resources in varying resolutions for a single image.
IndexedDB Supportati Numero build 79
An asynchronous client-side storage API offering fast access to large amounts of structured data
IndexedDB Arrays and MultiEntry Support Supportati
Extends the existing IndexedDB implementation with support for compound keys, indexed array values, and multiEntry.
-
Supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
inert attribute Supportati Numero build 102
The inert attribute would allow web authors to mark parts of the DOM tree as inert: When a node is inert, then the user agent must act as if the node was absent for the purposes of targeting user interaction events, may ignore the node for the purposes of text search user interfaces (commonly known as "find in page"), and may prevent the user from selecting text in that node.
Initial Letter Non supportati
Allows the author to set the size and depth at which it sinks into the surrounding text.
-
Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
inputmode Supportati Numero build 79
The inputmode content attribute is an enumerated attribute that specifies what kind of input mechanism would be most helpful for users entering content into the form control.
International input[type=email] validation Non supportati
Adding support for international email addresses that use UTF-8 characters (e.g. 伊昭傑@郵件.商務, राम@मोहन.ईन्फो)
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Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Intersection Observer Supportati Numero build 79
An interface to allow a web developer to asynchronously query the position of an element with respect to other elements or the global viewport.
JavaScript module import() Supportati Numero build 79
Adds a function-like import() module loading syntactic form to JavaScript. Enables dynamically loading parts of a JavaScript application at runtime.
Karaoke Web Standard Non supportati
Provides semantic language processing for two-way communication with a remote host. This new interface creates a system-to-system forced sonic recognition on the receiving party.
-
Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
<keygen> element Deprecata
A form element for a key pair generator control. Support here indicates UI for picking keys and some transport to submit them. However, significant interoperability issues exist with the DOM interfaces and protocols for this feature.
-
Deprecata in Microsoft Edge (Chromium)
-
Al momento non pianificato in Microsoft Edge (EdgeHTML)
-
Deprecata in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Magnetometer Supportati Numero build 79
Provides access to magnetic field measurements along the device's three primary axes.
<main> element Supportati
Semantic HTML5 element that represents the main content of the document or application.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Map (ES6) Supportati Numero build 79
Map objects are simple key/value maps.
Masks Supportati Numero build 79
Allows hiding of portions of a visible elements.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
In fase di sviluppo in Firefox
-
Non supportati in Internet Explorer 11
-
In fase di sviluppo in Safari
matchMedia Supportati Numero build 79
API for testing if a given media query will apply.
Math Built-ins (ES6) Supportati Numero build 79
Math related functions - sign, trunc, sinh, cosh, tanh, asinh, acosh, atanh, log10, log2, hypot, fround, clz32, cbrt, log1p, expm1.
MathML Non supportati Numero build 106
An application of XML for describing mathematical notations and capturing both its structure and content.
MediaCapabilities: query HDR with decodingInfo() In fase di sviluppo
Provides APIs for websites to detect whether HDR formats, i.e. Dolby Vision, HDR10(+), and HLG, can be decoded and rendered by the browser.
MediaCapabilities: query spatial audio with decodingInfo() In fase di sviluppo
Adds APIs for detecting whether spatial audio formats, i.e., Dolby Atmos and DST:X, can be rendered.
Media Capture and Streams Supportati Numero build 79
Provides access to the user's local audio and video input/output devices (getUserMedia API).
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Media Capture from Canvas Supportati Numero build 79
Media Capture API can be used to capture Canvas content as MediaStream to be recorded or transmitted to remote peers.
Media Capture from HTML Media Element Supportati Numero build 79
Media Capture API can be used to capture non-DRM content from mediaelement into another MediaStream.
Media Fragments Supportati
Standardizes a URL fragment syntax for specifying a fragment of a media resource.
-
Supportati in Microsoft Edge (Chromium)
-
Supporto parziale in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Media Queries Level 4: pointer and hover Supportati
Allows to query the presence and accuracy of the user's pointing input (e.g. for differentiating touch versus mouse). Additionally, allows the page to query whether the user's pointing input supports hover.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Media Queries: prefers-reduced-motion Non supportati
Used to detect if the user has requested the system minimize the amount of animation or motion it uses.
-
Non supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Media Queries: resolution feature Supportati Numero build 79
Allows to query the device pixel count per CSS unit
MediaRecorder Supportati Numero build 79
Encode audio and video streams in the browser.
Media Session Supportati Numero build 79
Enable websites to customize media metadata so they can control the notification and lock screen UI. Also, allow them to control media in the page from outside the page, such as platform UIs and media keys.
Media Source Extensions Supportati Numero build 79
Allows appending data to an <audio>/<video> element.
Message Channels Supportati Numero build 79
A messaging system that allows documents to communicate with each other regardless of their source domain, in a way designed to avoid cross-site scripting attacks.
Meta Referrer Supportati Numero build 79
Using the referrer metadata attribute, a document can control the behavior of the Referer HTTP header attached to requests that originate from the document. For EdgeHTML, only `never`, `always`, `origin`, `default` tokens are supported for navigation.
<meter> Element Supportati
The HTML meter element allows representation of a scalar measurement of a known range, or fractional value, i.e. a gauge. Distinct from the progress element.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Microdata Non supportati
Microdata is used to nest semantics within existing content on web pages.
-
Non supportati in Microsoft Edge (Chromium)
-
Al momento non pianificato in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
mix-blend-mode Supportati Numero build 79
Provides a way to blend an HTML or SVG element with its backdrop
Modules (ES6) Supportati Numero build 79
Language-level support for defining and consuming modules.
Motion JPEG (MJPG) Supportati
Adds support for the MJPG video format, popular with IP cameras.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Multi-column (full support) Supportati Numero build 79
Allows content to be flowed into multiple columns with a gap and a rule between them using CSS.
Mutation Observers Supportati Numero build 79
Provides notifications when DOM nodes are rearranged or modified.
Network Error Logging Supportati Numero build 79
This specification defines an interface to store and retrieve error data related to the previous navigations of a document.
New System Color Keywords Supportati Numero build 80
Give users the ability to customize their sites with the relevant system colors when in forced colors mode. The keywords being added are ActiveText, Field, and FieldText.
Number Built-ins (ES6) Supportati
New methods and properties on Number, including isFinite, isInteger, isSafeInteger, isNaN, EPSILON, MIN_SAFE_INTEGER, and MAX_SAFE_INTEGER.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Object Built-ins (ES6) Supportati Numero build 79
New methods on Object including assign, is, getOwnPropertySymbols, and setPrototypeOf
object-fit and object-position (images) Supportati Numero build 79
CSS properties that control the position and size of replaced content within the content box
object-fit and object-position (video/canvas/etc) Supportati
CSS properties that control the position and size of replaced content within the content box
-
Supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Object.getOwnPropertyDescriptors Non supportati
ECMAScript proposal for Object.getOwnPropertyDescriptors.
-
Non supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
Object.observe() Deprecata Numero build 79
Observe changes to JS objects.
Object rest/spread properties Supportati Numero build 79
Introduces analogous rest properties for object destructuring assignment and spread properties for object literals.
OGG Container Supportati
An open multimedia container.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Non supportati in Safari
ol[reversed] attribute Supportati
A boolean attribute that reverses the order of an ordered list when present.
-
Supportati in Microsoft Edge (Chromium)
-
Non supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
onerror Exception Parameter (5th Parameter) Supportati Numero build 79
Unhandled exceptions trigger the 'window.onerror' callback (or 'self.onerror' inside Workers) for centralized handling. The 5th parameter will have the exception itself.
oninvalid event handler Supportati
Provides specified alert text if an input element is invalid.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Opus Audio Playback Supportati Numero build 79
An open codec for audio playback.
Orientation Sensor Supportati Numero build 79
Provides access to device’s physical orientation in WebGL-compatible quaternion and rotation matrix representations. For EdgeHTML, DeviceOrientation is supported. More information can befound here: https://developer.mozilla.org/en-US/docs/Web/API/Detecting_device_orientation#DeviceOrientationEvent.
Origin-Signed HTTP Exchanges Supportati Numero build 79
Allows sites to send HTTP request+response pairs (exchanges) that are authoritative for an origin, even when the server itself is not authoritative for that origin.
<output> Element Supportati
An HTML element for representing the result of a calculation or user action.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Non supportati in Internet Explorer 11
-
Supportati in Safari
Page Visibility API Supportati Numero build 79
Provides an API to ask whether the current tab is visible or not. If so, you might want to throttle back action or set an idle state.
Passive Event Listeners Supportati Numero build 79
Provides an API to mark event listeners as "passive", primarily to allow for scrolling performance improvements
Payment Handler API Supportati Numero build 79
A web standard way to help payment providers create and grow an ecosystem to simplify handling and processing payments on the web for developers and merchants.
Payment Request API Supportati Numero build 79
A web API to allow merchants (i.e. web sites selling physical or digital goods) to easily accept payments from different payment methods with minimal integration.
Performance Observer Supportati Numero build 79
An interface to observe the performance timeline (https://w3c.github.io/performance-timeline) and receive notifications of new performance entries as they are recorded.
<picture> Element Supportati Numero build 79
Enable a responsive images solution by declaring multiple resources for an image using CSS media queries.
Picture-in-Picture Supportati Numero build 79
An API for allowing websites to create a floating video window always on top of other windows so that users may continue consuming media while they interact with other content sites, or applications on their device.
Platform for Privacy Preferences 1.0 (P3P 1.0) Non supportati
The Platform for Privacy Preferences Project (P3P) enables web sites to express their privacy practices in a standard format allowing user agents to automate decision-making based on these practices when appropriate.
-
Non supportati in Microsoft Edge (Chromium)
-
Deprecata in Microsoft Edge (EdgeHTML)
-
Non supportati in Chrome
-
Non supportati in Firefox
-
Deprecata in Internet Explorer 11
-
Non supportati in Safari
Pointer Events Supportati Numero build 79
Unified pointer input API (e.g. mouse, pen, touch input) which addresses several existing problems (especially on touchscreen laptops) and provides future extensibility.
Versione con prefisso: IE 10+, Microsoft Edge build 10240+
Pointer Lock (Mouse Lock) Supportati Numero build 79
Gives access to raw mouse movement, locks the target of mouse events to a single element, eliminates limits of how far mouse movement can go in a single direction, and removes the cursor from view. Obvious use cases are for first person or real time strategy games.
position: sticky Supportati Numero build 79
position: sticky is a new way to position elements and is conceptually similar to position: fixed. The difference is that a stickily positioned element behaves like position: relative within its parent, until a given offset threshold is met.
postMessage Supportati Numero build 79
Safely enables cross-origin communication.
Preconnect Resource Hints Supportati Numero build 79
A link relation type used to indicate an origin that will be used to fetch required resources, so the browser can open a connection early for resouces that will be required later in the loading process.
Prefetch Resource Hints Supportati
Indicates the browser should preemptively fetch and cache the specified resource.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Supportati in Firefox
-
Spedito in Internet Explorer 11
-
Non supportati in Safari
Preload Supportati Numero build 79
A keyword that may be used with "link" elements which provides a declarative fetch primitive that initiates an early fetch and separates fetching from resoruce execution.
Prerender Resource Hints Supportati
Provides a hint to the browser that another page is likely to be loaded by the user (such as the first result of a search) such that it may be prerendered for better performance.
-
Supportati in Microsoft Edge (Chromium)
-
Supportati in Microsoft Edge (EdgeHTML)
-
Supportati in Chrome
-
Non supportati in Firefox
-
Spedito in Internet Explorer 11
-
Non supportati in Safari
Promise.prototype.finally Supportati Numero build 79
Registers a callback to be invoked when a promise is settled (whether it is fulfilled or rejected), allowing for cleanup of pending or ongoing actions depending on that promise.
Promises (ES6) Supportati Numero build 79
Allows easier and cleaner asynchronous coding. Adds the Promise constructor, along with the 'all' and 'race' utility methods to the language itself.
__proto__ (ES6) Supportati
Support for legacy prototype manipulation similar to Object.setPrototypeOf.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Spedito in Internet Explorer 11
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Supportati in Safari
Proxies (ES6) Supportati Numero build 79
Proxies are objects for which the programmer has to define the semantics in JavaScript.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Public Key Pinning Extension for HTTP Supportati Numero build 79
Certificate public key pinning is a mechanism which allows specifying a key that must be present in the certificate chain associated with a domain name. HTTP Public Key Pinning (HPKP) is one way of doing certificate public key pinning. In this method, site owner defines pin rules for his domain name via HTTP header. This mechanism assumes that user has had a first clean connection to the site.
Push API Supportati Numero build 79
Provides webapps with scripted access to server-sent notifications.
Quota Management API Supportati Numero build 79
This API can be used to check how much quota an app/origin is using.
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Supportati in Microsoft Edge (Chromium)
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Al momento non pianificato in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Reflect (ES6) Supportati Numero build 79
Provides methods for use in operations that are intercepted. Reflect methods are often used with proxies because they allow you to delegate to default behavior without implementing the default behavior in your code.
RegExp Built-ins (ES6) Non supportati
New methods on RegExp.prototype including match, replace, search, and split.
Anteprima in: Microsoft Edge build 14342+ abilitando in about:flags
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Non supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Regions Non supportati
Magazine-like content flow into specified regions.
Versione con prefisso: IE 10+, Microsoft Edge build 10240+
requestAnimationFrame() Supportati Numero build 79
Offload animation repainting to browser for optimized performance. You should call this method whenever you're ready to update your animation onscreen. This will request that your animation function be called before the browser performs the next repaint.
requestIdleCallback Supportati Numero build 79
Allows developers to cooperatively schedule background tasks to avoid introducing delays with high priority tasks in the same event loop.
Resize Observer Supportati Numero build 79
Allows a web developer to attach an observer to an element and a callback will be fired when that element is resized
Resource Timing API Supportati Numero build 79
Allows web applications to access timing information related to HTML elements.
Rest parameters (ES6) Supportati Numero build 79
Allows representation of an indefinite number of arguments as an array.
RTC Data Channels Supportati
Data channels allow a web application to send and receive generic application data peer-to-peer.
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Supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
Run PWA on OS Login Supportati Numero build 91
Provides a mechanism for a Progressive Web Application (PWA) to be configured at install time with the option to be launched automatically when a user logs in to its OS session.
Scoped Styles Deprecata Numero build 79
Boolean attribute for the <style> element (<style scoped>). When present, its styles only apply to the parent element.
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Deprecata in Microsoft Edge (Chromium)
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Al momento non pianificato in Microsoft Edge (EdgeHTML)
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Deprecata in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Screen Capture Non supportati
Screen Capture API allows a user's display or parts thereof be used as the source of a media stream. NOTE: This feature works only on Window 10 Pro and Enterprise editions.
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Non supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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In fase di sviluppo in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Screen Orientation API Supportati Numero build 79
Provides the ability to read the screen orientation state, to be informed when this state changes, and to be able to lock the screen orientation to a specific state.
Versione con prefisso: IE 11, Microsoft Edge build 10240+
Secure Contexts In fase di sviluppo
As the web enables more powerful apps, features which enable those apps should only be enabled in contexts which meet a specific security level. This also exposes the APIs that identify if you’re in a secure context.
Selection API Supportati
Based on APIs from HTML5 and DOM Range, this specification includes additional methods for programmatically inspecting and modifying the selection.
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
selectionDirection attribute on text input elements Supportati
Returns the string corresponding to the current selection direction on text input elements: "forward", "backward", or "none".
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Supportati in Microsoft Edge (Chromium)
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Supportati in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Supportati in Firefox
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Non supportati in Internet Explorer 11
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Supportati in Safari
Server-Sent Events (EventSource) Supportati Numero build 79
Enables push notifications from the server received as DOM events.
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Supportati in Microsoft Edge (Chromium)
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In fase di esame in Microsoft Edge (EdgeHTML)
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Supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Server Timing Non supportati
Enables the server to communicate request-response cycle metrics to the user agent, and provides a JavaScript interface to enable applications to access and act on those metrics.
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Non supportati in Microsoft Edge (Chromium)
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Non supportati in Microsoft Edge (EdgeHTML)
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Non supportati in Chrome
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Non supportati in Firefox
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Non supportati in Internet Explorer 11
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Non supportati in Safari
Service Worker Supportati Numero build 79
ServiceWorkers (formerly Navigation Controllers) are a new system that provides event-driven scripts that run independent of web pages. They are similar to SharedWorkers except that their lifetime is different and they have access to domain-wide events such as network fetches.
Set (ES6) Supportati Numero build 79
Set objects let you store unique values of any type, whether primitive values or object references.
Shadow DOM Supportati Numero build 79
Enables DOM tree encapsulation. Without it, widgets may inadvertently break pages by using conflicting CSS selectors, class or id names, or JavaScript variables (often used in Web Components).