webRequest.onBeforeRequest
Read More at MDN DocsSafe to Use
webRequest.onBeforeRequest is not safe to use.
It’s supported by 39% of global browsers.
Browsers
ChromeDec 11, 2008v1.0.0
26%╱100%
100% of Chrome users are running a supported version.
SafariSep 16, 2020v14.0.05%╱93%
There are no users of Safari running a supported version.
EdgeAug 2, 2016v14.0.05%╱100%
100% of Edge users are running a supported version.
FirefoxApr 26, 2016v46.0.03%╱100%
100% of Firefox users are running a supported version.
Version Breakdown
Support
Adoption
Chrome
Dec 11, 2008 v1.0.0
26%╱100%
100% of Chrome users are running a supported version.
Dec 11, 2008 – Latest
v1.0.0+
26%╱100%
Full Support
Asynchronous event listeners are not supported.
Edge
Aug 2, 2016 v14.0.0
5%╱100%
100% of Edge users are running a supported version.
Aug 2, 2016 – Latest
v14.0.0+
5%╱100%
Full Support
Asynchronous event listeners are not supported.
Firefox
Apr 26, 2016 v46.0.0
3%╱100%
100% of Firefox users are running a supported version.
Apr 26, 2016 – Latest
v46.0.0+
3%╱100%
Full Support
Asynchronous event listeners are supported from version 52.
Firefox for Android
Aug 2, 2016 v48.0.0
Firefox for Android supports this feature.
Aug 2, 2016 – Latest
v48.0.0+
Full Support
Asynchronous event listeners are supported from version 52.
Opera
Unknown v1.0.0
1%╱100%
100% of Opera users are running a supported version.
Unknown
v1.0.0+
1%╱100%
Full Support
Asynchronous event listeners are not supported.
Safari
Sep 16, 2020 v14.0.0
5%╱93%
There are no users of Safari running a supported version.
Sep 16, 2020 – Latest
v14.0.0+
5%╱93%
Full Support
extraInfoSpec options are not supported.
Safari on iOS
Unsupported
Safari on iOS does not support this feature.
No Support