WebAssembly BigInt to i64 conversion in JS API
- WDAn extension to the WebAssembly JS API for bidrectionally converting BigInts and 64-bit WebAssembly integer values
Chrome
- 4 - 84: Not supported
- 85 - 124: Supported
- 125: Supported
- 126 - 128: Supported
Edge
- 12 - 84: Not supported
- 85 - 124: Supported
- 125: Supported
Safari
- 3.1 - 14: Not supported
- 14.1 - 17.4: Supported
- 17.5: Supported
- 17.6 - TP: Supported
Firefox
- 2 - 77: Not supported
- 78 - 125: Supported
- 126: Supported
- 127 - 129: Supported
Opera
- 9 - 70: Not supported
- 71 - 109: Supported
- 110: Supported
IE
- 5.5 - 10: Not supported
- 11: Not supported
Chrome for Android
- 125: Supported
Safari on iOS
- 3.2 - 14.4: Not supported
- 14.5 - 17.4: Supported
- 17.5: Supported
- 17.6 - 18.0: Supported
Samsung Internet
- 4 - 13.0: Not supported
- 14.0 - 24: Supported
- 25: 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
- 125: Supported
Firefox for Android
- 126: Supported
QQ Browser
- 14.9: Support unknown
Baidu Browser
- 13.52: Support unknown
KaiOS Browser
- 2.5: Not supported
- 3: Support unknown
Safari supported BigInt in version 14.1, but did not support BigInt64Array (which is also required for Emscripten's BigInt support) until version 15
- Resources:
- Feature extension overview