asm.js
- OTHERAn extraordinarily optimizable, low-level subset of JavaScript, intended to be a compile target from languages like C++.
Chrome
- ❌ 4 - 27: Not supported
- ◐ 28 - 129: Partial support
- ◐ 130: Partial support
- ◐ 131 - 133: Partial support
Edge
- ❌ 12: Disabled by default
- ✅ 13 - 18: Supported
- ◐ 79 - 129: Partial support
- ◐ 130: Partial support
Safari
- ❌ 3.1 - 18.0: Not supported
- ❌ 18.1: Not supported
- ❌ 18.2 - TP: Not supported
Firefox
- ❌ 2 - 21: Not supported
- ✅ 22 - 131: Supported
- ✅ 132: Supported
- ✅ 133 - 135: Supported
Opera
- ❌ 9 - 12.1: Not supported
- ◐ 15 - 113: Partial support
- ◐ 114: Partial support
IE
- ❌ 5.5 - 10: Not supported
- ❌ 11: Not supported
Chrome for Android
- ◐ 130: Partial support
Safari on iOS
- ❌ 3.2 - 18.0: Not supported
- ❌ 18.1: Not supported
- ❌ 18.2: Not supported
Samsung Internet
- ❌ 4: Not supported
- ◐ 5 - 25: Partial support
- ◐ 26: Partial support
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ◐ 80: Partial support
UC Browser for Android
- ◐ 15.5: Partial support
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ◐ 130: Partial support
Firefox for Android
- ✅ 130: Supported
QQ Browser
- ◐ 14.9: Partial support
Baidu Browser
- ◐ 13.52: Partial support
KaiOS Browser
- ✅ 2.5: Supported
- ✅ 3: Supported
asm.js is mostly rendered obsolete with the introduction of WebAssembly and is therefore no longer recommended