api.Headers.keys

Spec

MDN URL

Status

On the standards track: Yes

Is Experimental: No

Is Deprecated: No

Browser Support

In Chrome version 42 on 2015-04-14

In Chrome Android version 42 on 2015-04-15

In Deno version 1.0 on 2020-05-13

In Edge version 16 on 2017-10-17

In Firefox version 44 on 2016-01-26

In Firefox for Android version 44 on 2016-01-26

Not in Internet Explorer

In Node.js version 18.0.0 on 2022-04-19

In Quest Browser version 5.0 on undefined

In Opera version 29 on 2015-04-28

In Opera Android version 29 on 2015-04-28

In Safari version 10.1 on 2017-03-27

In Safari on iOS version 10.3 on 2017-03-27

In Samsung Internet version 4.0 on 2016-03-11

In WebView Android version 42 on 2015-04-15