High Resolution Time API
- RECMethod to provide the current time in sub-millisecond resolution and such that it is not subject to system clock skew or adjustments. Called using performance.now()
Chrome
- ❌ 4 - 19: Not supported
- ✅ 20 - 23: Supported
- ✅ 24 - 130: Supported
- ✅ 131: Supported
- ✅ 132 - 134: Supported
Edge
- ✅ 12 - 130: Supported
- ✅ 131: Supported
Safari
- ❌ 3.1 - 7.1: Not supported
- ✅ 8 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2 - TP: Supported
Firefox
- ❌ 2 - 14: Not supported
- ✅ 15 - 54: Supported
- ✅ 55 - 57: Supported
- ✅ 58 - 59: Supported
- ✅ 60 - 131: Supported
- ✅ 132: Supported
- ✅ 133 - 135: Supported
Opera
- ❌ 9 - 12.1: Not supported
- ✅ 15 - 113: Supported
- ✅ 114: Supported
IE
- ❌ 5.5 - 9: Not supported
- ✅ 10: Supported
- ✅ 11: Supported
Chrome for Android
- ✅ 131: Supported
Safari on iOS
- ❌ 3.2 - 7.1: Not supported
- ✅ 8: Supported
- ❌ 8.1: Not supported
- ✅ 9 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2: Supported
Samsung Internet
- ✅ 4 - 25: Supported
- ✅ 26: 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 - 4.3: Not supported
- ✅ 4.4 - 4.4.4: 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
The timestamp is not actually high-resolution. To mitigate security threats such as Spectre, browsers currently round the result to varying degrees.