Microsoft Edge Platform Status

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

Note: This is not an exhaustive list of features. We will add more features to this list over time.

Features (1 Results)


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:

  • Microsoft Edge (Chromium)

    Supported in Microsoft Edge (Chromium)

  • Microsoft Edge

    Supported in Microsoft Edge (EdgeHTML)

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Safari

    In development in Safari