ECMAScript 5 Strict Mode
- OTHERMethod of placing code in a "strict" operating context.
Chrome
- ❌ 4 - 12: Not supported
- ✅ 13 - 129: Supported
- ✅ 130: Supported
- ✅ 131 - 133: Supported
Edge
- ✅ 12 - 129: Supported
- ✅ 130: Supported
Safari
- ❌ 3.1 - 4: Not supported
- ◐ 5 - 5.1: Partial support
- ✅ 6 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2 - TP: Supported
Firefox
- ❌ 2 - 3.6: Not supported
- ✅ 4 - 131: Supported
- ✅ 132: Supported
- ✅ 133 - 135: Supported
Opera
- ❌ 9 - 11.5: Not supported
- ✅ 11.6 - 113: Supported
- ✅ 114: Supported
IE
- ❌ 5.5 - 9: Not supported
- ✅ 10: Supported
- ✅ 11: Supported
Chrome for Android
- ✅ 130: Supported
Safari on iOS
- ❌ 3.2 - 4.3: Not supported
- ✅ 5 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2: Supported
Samsung Internet
- ✅ 4 - 25: Supported
- ✅ 26: Supported
Opera Mini
- ✅ all: Supported
Opera Mobile
- ❌ 10 - 11.1: Not supported
- ✅ 11.5 - 12.1: Supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 2.3: Not supported
- ✅ 3 - 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
- Resources:
- Article with test suite
- Information page