let
- OTHERDeclares a variable with block level scope
Chrome
- ❌ 4 - 18: Not supported
- ❌ 19 - 40: Disabled by default
- ◐ 41 - 48: Partial support
- ✅ 49 - 130: Supported
- ✅ 131: Supported
- ✅ 132 - 134: Supported
Edge
- ✅ 12 - 130: Supported
- ✅ 131: Supported
Safari
- ❌ 3.1 - 9.1: Not supported
- ◐ 10 - 10.1: Partial support
- ✅ 11 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2 - TP: Supported
Firefox
- ❌ 2 - 43: Disabled by default
- ✅ 44 - 132: Supported
- ✅ 133: Supported
- ✅ 134 - 136: Supported
Opera
- ❌ 9 - 12.1: Not supported
- ❌ 15 - 27: Disabled by default
- ◐ 28 - 35: Partial support
- ✅ 36 - 113: Supported
- ✅ 114: Supported
IE
- ❌ 5.5 - 10: Not supported
- ◐ 11: Partial support
Chrome for Android
- ✅ 131: Supported
Safari on iOS
- ❌ 3.2 - 9.3: Not supported
- ◐ 10 - 10.3: Partial support
- ✅ 11 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2: Supported
Samsung Internet
- ◐ 4: Partial support
- ✅ 5 - 26: Supported
- ✅ 27: Supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ✅ 131: Supported
Firefox for Android
- ✅ 132: Supported
QQ Browser
- ✅ 14.9: Supported
Baidu Browser
- ✅ 13.52: Supported
KaiOS Browser
- ✅ 2.5: Supported
- ✅ 3: Supported