messageerror event and event handlers

The messageerror event is a new event, with an associated onmessageerror handler attached to the window, message ports, broadcast channels, and workers. The purpose of the event is to notify the receiver when a posted message could not be decoded. Currently the only use of this is when a SharedArrayBuffer is sent but cannot be shared, but there are also plans to use for other objects that want the same property (WebAssembly modules, for example).

Demo

Documentation

Specification

Editor's draft

Status in Chromium

Blink


In development (launch bug)

Consensus & Standardization

  • Public support
  • No public signals
  • No public signals
  • No signals

Owner

Last updated on 2017-06-14