XMLHttpRequest advanced features
- LSAdds more functionality to XHR (aka AJAX) requests like file uploads, transfer progress information and the ability to send form data. Previously known as XMLHttpRequest Level 2, these features now appear simply in the XMLHttpRequest spec.
Chrome
- 4 - 6: Support unknown
- 7 - 28: Partial support
- 29 - 30: Partial support
- 31 - 118: Supported
- 119: Supported
- 120 - 122: Supported
Edge
- 12 - 118: Supported
- 119: Supported
Safari
- 3.1 - 4: Not supported
- 5 - 6: Partial support
- 6.1 - 7: Partial support
- 7.1 - 17.0: Supported
- 17.1: Supported
- 17.2 - TP: Supported
Firefox
- 2 - 3: Not supported
- 3.5 - 5: Partial support
- 6 - 9: Partial support
- 10 - 11: Partial support
- 12 - 119: Supported
- 120: Supported
- 121 - 123: Supported
Opera
- 9 - 11.6: Not supported
- 12 - 12.1: Supported
- 15 - 17: Partial support
- 18 - 103: Supported
- 104: Supported
IE
- 5.5 - 9: Not supported
- 10: Partial support
- 11: Partial support
Chrome for Android
- 119: Supported
Safari on iOS
- 3.2 - 4.3: Not supported
- 5 - 6.1: Partial support
- 7: Partial support
- 8 - 17.0: Supported
- 17.1: Supported
- 17.2: Supported
Samsung Internet
- 4 - 22: Supported
- 23: Supported
Opera Mini
- all: Not supported
Opera Mobile
- 10 - 11.5: Not supported
- 12 - 12.1: Supported
- 73: Supported
UC Browser for Android
- 15.5: Supported
Android Browser
- 2.1 - 2.3: Not supported
- 3 - 4.3: Partial support
- 4.4: Partial support
- 4.4.3: Supported
- 119: Supported
Firefox for Android
- 119: Supported
QQ Browser
- 13.1: Supported
Baidu Browser
- 13.18: Supported
KaiOS Browser
- 2.5: Supported
- 3: Supported