CustomEvent
- LSA DOM event interface that can carry custom application-defined data.
Chrome
- ❌ 4: Not supported
- ﹖ 5 - 8: Support unknown
- ◐ 9 - 12: Partial support
- ﹖ 13 - 14: Support unknown
- ✅ 15 - 129: Supported
- ✅ 130: Supported
- ✅ 131 - 133: Supported
Edge
- ✅ 12 - 129: Supported
- ✅ 130: Supported
Safari
- ❌ 3.1 - 4: Not supported
- ﹖ 5: Support unknown
- ◐ 5.1: Partial support
- ﹖ 6: Support unknown
- ✅ 6.1 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2 - TP: Supported
Firefox
- ❌ 2 - 5: Not supported
- ◐ 6 - 10: Partial support
- ✅ 11 - 131: Supported
- ✅ 132: Supported
- ✅ 133 - 135: Supported
Opera
- ❌ 9 - 10.6: Not supported
- ◐ 11 - 11.5: Partial support
- ✅ 11.6 - 113: Supported
- ✅ 114: Supported
IE
- ❌ 5.5 - 8: Not supported
- ◐ 9 - 10: Partial support
- ◐ 11: Partial support
Chrome for Android
- ✅ 130: Supported
Safari on iOS
- ﹖ 3.2: Support unknown
- ❌ 4: Not supported
- ﹖ 4.2: Support unknown
- ◐ 5: Partial support
- ✅ 6 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2: Supported
Samsung Internet
- ✅ 4 - 25: Supported
- ✅ 26: Supported
Opera Mini
- ✅ all: Supported
Opera Mobile
- ❌ 10: Not supported
- ◐ 11 - 11.5: Partial support
- ✅ 12 - 12.1: Supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 2.3: Not supported
- ◐ 3 - 4.3: Partial support
- ✅ 4.4 - 4.4.4: Supported
- ✅ 130: Supported
Firefox for Android
- ✅ 130: Supported
QQ Browser
- ✅ 14.9: Supported
Baidu Browser
- ✅ 13.52: Supported
KaiOS Browser
- ✅ 2.5: Supported
- ✅ 3: Supported
Not supported in some versions of Android's old WebKit-based WebView.