Object.observe data binding
- UNOFFMethod for data binding, a now-withdrawn ECMAScript 7 proposal
IE
- 5.5 - 10: Not supported
- 11: Not supported
Edge
- 12 - 100: Not supported
- 101: Not supported
Firefox
- 2 - 99: Not supported
- 100: Not supported
- 101 - 102: Not supported
Chrome
- 4 - 35: Not supported
- 36 - 49: Supported
- 50 - 100: Not supported
- 101: Not supported
- 102 - 104: Not supported
Safari
- 3.1 - 15.3: Not supported
- 15.4: Not supported
- TP: Not supported
Opera
- 9 - 22: Not supported
- 23 - 36: Supported
- 37 - 85: Not supported
- 86: Not supported
- 87: Not supported
Safari on iOS
- 3.2 - 15.3: Not supported
- 15.4: Not supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 101: Not supported
Opera Mobile
- 10 - 12.1: Not supported
- 64: Not supported
Chrome for Android
- 101: Not supported
Firefox for Android
- 100: Not supported
UC Browser for Android
- 12.12: Not supported
Samsung Internet
- 4: Supported
- 5 - 15.0: Not supported
- 16.0: Not supported
QQ Browser
- 10.4: Not supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Not supported
Support in Blink-based browsers is expected to be removed in future versions.