WebAssembly PostMessage

Extends WebAssembly to support PostMessage of WebAssembly.Module objects to Web Workers. To clarify, this is scoped to just Web Workers (same process, different thread), and not extended to cross-process scenarios (such as cross-origin postMessage, or shared web workers).

Comments

This feature was originally included in the initial launch of WebAssembly, and was shipped in other browsers with their initial WebAssembly support.

Specification

Working draft or equivalent

Status in Chromium

Blink


Enabled by default (tracking bug) in:

  • Chrome for desktop release 71
  • Chrome for Android release 71

Consensus & Standardization

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

Owner

Last updated on 2020-03-25