WebAssembly BigInt to i64 conversion in JS API

- WD

An extension to the WebAssembly JS API for bidrectionally converting BigInts and 64-bit WebAssembly integer values

Chrome

  1. 4 - 84: Not supported
  2. 85 - 124: Supported
  3. 125: Supported
  4. 126 - 128: Supported

Edge

  1. 12 - 84: Not supported
  2. 85 - 124: Supported
  3. 125: Supported

Safari

  1. 3.1 - 14: Not supported
  2. 14.1 - 17.4: Supported
  3. 17.5: Supported
  4. 17.6 - TP: Supported

Firefox

  1. 2 - 77: Not supported
  2. 78 - 125: Supported
  3. 126: Supported
  4. 127 - 129: Supported

Opera

  1. 9 - 70: Not supported
  2. 71 - 108: Supported
  3. 109: Supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 124: Supported

Safari on iOS

  1. 3.2 - 14.4: Not supported
  2. 14.5 - 17.4: Supported
  3. 17.5: Supported
  4. 17.6: Supported

Samsung Internet

  1. 4 - 13.0: Not supported
  2. 14.0 - 23: Supported
  3. 24: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 80: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 124: Supported

Firefox for Android

  1. 125: Supported

QQ Browser

  1. 14.9: Support unknown

Baidu Browser

  1. 13.52: Support unknown

KaiOS Browser

  1. 2.5: Not supported
  2. 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