EdgeHTML Platform Status

View the status of web platform features in Microsoft Edge (EdgeHTML).

Features (111 Results)

in

Provides access to device’s acceleration along its three primary axes.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Ambient Light Event API which is a handy way to make a web page or web app aware of any change in light intensity.

Unprefixed version: Windows Insider Preview Build 10586+

View Changelog: Build Number 10586+
  • Microsoft Edge

    Preview in EdgeHTML

  • Chrome

    In Development in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Introduces the AsyncIterator interface, an asynchronous iteration statement (for-await-of), and async generator functions.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

The Audio Output Devices API allows a Web application to direct audio output to authorized endpoints other than the user agent default.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Specifies the blending mode used for each background layer

Preview in: Windows Insider Preview Build 17763+ by enabling in about:flags

View Changelog: Build Number 17763+
  • Microsoft Edge

    Preview in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Allows access to see the battery level of the device's battery

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

CSS properties for aligning boxes within their container. Allows for true vertical centering among other features.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    In development in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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).

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Specifies a gradient where the color stops are placed around the circumference of a circle.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

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.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

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.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Deprecated in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

The all property is a shorthand that resets all CSS properties except direction and unicode-bidi

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

The :scope pseudo-class represents any element that is in the contextual reference element set.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

The function allows filtering using SVG Filter elements as the filter function.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

This CSS module describes events and interfaces used for dynamically loading font resources.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Enables responsive images in CSS by specifiying multiple resolutions of an image that the browser can select from for the given situation.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Introduces logical properties and values that provide the author with the ability to control layout through logical, rather than physical, direction and dimension mappings.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Motion paths allow authors to animate any graphical object along an author specified path.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Adds an optional argument to existing scroll APIs that specifies whether scrolling should be smooth. Also adds a CSS property for this.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

The relational pseudo-class, :has(), is a functional pseudo-class taking a relative selector list as an argument. Similar to jQuery’s :has() selector.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Allows one to specify whether or not an element is resizable by the user, and if so, along which axis/axes

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Extends the selectors with :matches, :has, :not(complex selector), :dir, case insensitive attribute matching and more.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

The tab-size property sets the size used to render tab characters in situations where white space is preserved

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Method for registering (creating) custom elements in script (often used in Web Components).

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

An HTML element for modal and non-modal dialog boxes

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Defines how user agents map the Digital Publishing WAI-ARIA Module markup to platform accessibility APIs.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Enable directory uploading by allowing a developer to read directory contents (files and sub-directories) asynchronously and be able to identify the directory structure.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Allows dragging and dropping entire folders using HTML5 Drag and Drop. Extends the DataTransferItem with a method to get a FileEntry/DirectoryEntry.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

This specification addresses gaps so user agents do not have to reverse engineer encoding implementations.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Enables writing to files from web applications.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

An interface for web applications to access runtime performance information of the browser event loop.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Allows authors to send a header of a whistelisted set of domains from the server to other origins from loaded or accessing the content

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

CSS properties helpful for printed publication.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

This specification provides basic geometric interfaces to represent points, rectangles, quadrilaterals and transformation matrices that can be used by other modules or specifications.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Provides access to device’s rotation around its three primary axes.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

An addendum to HTML5 forms extending the abilities of configuring HTTP requests through HTML markup.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Import HTML documents into other HTML documents (often used in Web Components).

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Deprecated in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    In Development in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Gives the content of an iframe as a src context to embed (e.g. <iframe seamless srcdoc="<b>Hello World</b>"></iframe>).

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Provides a hint to the browser on which scaling algorithm should be used.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Extends the existing IndexedDB implementation with support for compound keys, indexed array values, and multiEntry.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    In Development in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Allows the author to set the size and depth at which it sinks into the surrounding text.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Adding support for international email addresses that use UTF-8 characters (e.g. 伊昭傑@郵件.商務, राम@मोहन.ईन्फो)

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Adds a function-like import() module loading syntactic form to JavaScript. Enables dynamically loading parts of a JavaScript application at runtime.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Provides access to magnetic field measurements along the device's three primary axes.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Media Capture API can be used to capture Canvas content as MediaStream to be recorded or transmitted to remote peers.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Media Capture API can be used to capture non-DRM content from mediaelement into another MediaStream.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Standardizes a URL fragment syntax for specifying a fragment of a media resource.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Used to detect if the user has requested the system minimize the amount of animation or motion it uses.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Encode audio and video streams in the browser.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Using the referrer metadata attribute, a document can control the behavior of the Referer HTTP header attached to requests that originate from the document.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Provides a way to blend an HTML or SVG element with its backdrop

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

This specification defines an interface to store and retrieve error data related to the previous navigations of a document.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

CSS properties that control the position and size of replaced content within the content box

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Introduces analogous rest properties for object destructuring assignment and spread properties for object literals.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

An open multimedia container.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

A boolean attribute that reverses the order of an ordered list when present.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Unhandled exceptions trigger the 'window.onerror' callback (or 'self.onerror' inside Workers) for centralized handling. The 5th parameter will have the exception itself.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Provides access to device’s physical orientation in WebGL-compatible quaternion and rotation matrix representations.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

An interface to observe the performance timeline (https://w3c.github.io/performance-timeline) and receive notifications of new performance entries as they are recorded.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

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.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

New methods on RegExp.prototype including match, replace, search, and split.

Preview in: Windows Insider Preview Build 14342+ by enabling in about:flags

View Changelog: Build Number 14342+
  • Microsoft Edge

    Preview in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Allows developers to cooperatively schedule background tasks to avoid introducing delays with high priority tasks in the same event loop.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Allows a web developer to attach an observer to an element and a callback will be fired when that element is resized

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Data channels allow a web application to send and receive generic application data peer-to-peer.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Enables push notifications from the server received as DOM events.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

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.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

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).

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Define arbitrary shapes inside and around which inline content can flow.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Shared memory and atomics for ECMAscript.

Unprefixed version: Windows Insider Preview Build 16215+

View Changelog: Build Number 16215+
  • Microsoft Edge

    Preview in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Enables Single Instruction, Multiple Data instructions to be used from Javascript programs.

Preview in: Windows Insider Preview Build 10240+ by enabling in about:flags

View Changelog: Build Number 10240+
  • Microsoft Edge

    Preview in EdgeHTML

  • Chrome

    In Development in Chrome

  • Firefox

    In Development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

The dataset IDL attribute provides access to custom data attributes on SVG elements. Its behavior is the same as the corresponding IDL member on the HTMLElement interface.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Implement the new SVG2 features.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    In development in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Enables boundlessly recursive algorithms (using constant stack space) for certain code patterns.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Shipped in Safari

Transport Layer Security (TLS) protocol version 1.3 allows faster and more secure connection compared to TLS 1.2 by reducing round trip number, and removing legacy vulnerable cryptography features.

  • Microsoft Edge

    In Development in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Adds additional direction-specific values for the CSS touch-action property for pan-up, pan-down, pan-left, pan-right have been added to the specification.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

Identify the physical key being pressed; Query key from layout.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

This specification defines an API that provides access to the vibration mechanism of the hosting device. Vibration is a form of tactile feedback.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

A unified model for supporting animation and synchronization on the Web platform.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

An API for communicating with Bluetooth Low Energy devices as a GATT Client.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    Not Supported in Safari

An update to WebGL, based on OpenGL ES 3.0

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in EdgeHTML

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari

Allow sh