CustomEvent

Read More at MDN DocsView Spec

Safe to Use

CustomEvent is considered safe to use.

It’s supported by 94% of global browsers.

Browsers

ChromeMay 25, 2010v5.0.0
26%╱100%
100% of Chrome users are running a supported version.
SafariJun 7, 2010v5.0.0
5%╱100%
100% of Safari users are running a supported version.
EdgeJul 28, 2015v12.0.0
5%╱100%
100% of Edge users are running a supported version.
FirefoxAug 16, 2011v6.0.0
3%╱100%
100% of Firefox users are running a supported version.

Version Breakdown

 
Agent
Support
Adoption
Chrome
May 25, 2010 v5.0.0
26%╱100%
100% of Chrome users are running a supported version.
May 25, 2010 – Latest
v5.0.0+
26%╱100%

Full Support

Chrome Android
Jun 27, 2012 v18.0.0
36%╱100%
100% of Chrome Android users are running a supported version.
Jun 27, 2012 – Latest
v18.0.0+
36%╱100%

Full Support

Deno
May 4, 2020 v1.0.0
Deno supports this feature.
May 4, 2020 – Latest
v1.0.0+

Full Support

Edge
Jul 28, 2015 v12.0.0
5%╱100%
100% of Edge users are running a supported version.
Jul 28, 2015 – Latest
v12.0.0+
5%╱100%

Full Support

Firefox
Aug 16, 2011 v6.0.0
3%╱100%
100% of Firefox users are running a supported version.
Aug 16, 2011 – Latest
v6.0.0+
3%╱100%

Full Support

Firefox for Android
Aug 16, 2011 v6.0.0
Firefox for Android supports this feature.
Aug 16, 2011 – Latest
v6.0.0+

Full Support

Internet Explorer
Mar 14, 2011 v9.0.0
0%╱94%
There are no users of Internet Explorer running a supported version.
Mar 14, 2011 – Latest
v9.0.0+
0%╱94%

Full Support

Node.js
Oct 17, 2022 v19.0.0
Node.js supports this feature.
Oct 17, 2022 – Latest
v19.0.0+

Full Support

 
Quest Browser
Unknown v5.0.0
Quest Browser supports this feature.
Unknown
v5.0.0+

Full Support

Opera
Dec 16, 2010 v11.0.0
1%╱100%
100% of Opera users are running a supported version.
Dec 16, 2010 – Latest
v11.0.0+
1%╱100%

Full Support

Opera Android
Mar 22, 2011 v11.0.0
Opera Android supports this feature.
Mar 22, 2011 – Latest
v11.0.0+

Full Support

Safari
Jun 7, 2010 v5.0.0
5%╱100%
100% of Safari users are running a supported version.
Jun 7, 2010 – Latest
v5.0.0+
5%╱100%

Full Support

Safari on iOS
Oct 12, 2011 v5.0.0
17%╱100%
There are no users of Safari on iOS running a supported version.
Oct 12, 2011 – Latest
v5.0.0+
17%╱100%

Full Support

Samsung Internet
Apr 27, 2013 v1.0.0
2%╱100%
100% of Samsung Internet users are running a supported version.
Apr 27, 2013 – Latest
v1.0.0+
2%╱100%

Full Support

WebView Android
Feb 22, 2011 v3.0.0
WebView Android supports this feature.
Feb 22, 2011 – Latest
v3.0.0+

Full Support

See Also

Contribute