Expands the JavaScript API surface of WebAssembly to allow reflection on the data types of functions imported and exported from a WebAssembly module.


Editor's draft

Status in Chromium


In developer trial (Behind a flag) (tracking bug) in:

  • Chrome for desktop release 78

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • Positive
  • No signal
  • Positive
  • No signals


Search tags

wasm, webassembly, reflection,

Last updated on 2021-07-21