On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Bun version 1.0.0 on 2023-09-08
In Chrome version 66 on 2018-04-17
In Chrome Android version 66 on 2018-04-17
In Deno version 1.0 on 2020-05-13
In Edge version 16 on 2017-10-17
In Firefox version 57 on 2017-11-14
In Firefox for Android version 57 on 2017-11-28
Not in Internet Explorer
In Node.js version 14.17.0 on 2021-05-11
In Quest Browser version 5.0 on undefined
In Opera version 53 on 2018-05-10
In Opera Android version 47 on 2018-07-23
In Safari version 12.1 on 2019-03-25 Note: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.
In Safari on iOS version 12.2 on 2019-03-25 Note: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.
In Samsung Internet version 9.0 on 2018-09-15
In WebView Android version 66 on 2018-04-17
In WebView on iOS version 12.2 on 2019-03-25 Note: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.