WindowEventHandlers.onmessage

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The onmessage property of the WindowEventHandlers mixin is the EventHandler called whenever an object receives a message event.

Syntax

window.addEventListener('message', function(event) { ... })
window.onmessage = function(event) { ... }

Specification	Status	Comment
HTML Living Standard The definition of 'onmessage' in that specification.	Living Standard	Initial definition.

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`onmessage`	Chrome Full support 60	Edge Full support ≤79	Firefox ?	IE ?	Opera Full support 47	Safari ?	WebView Android Full support 60	Chrome Android Full support 60	Firefox Android ?	Opera Android Full support 44	Safari iOS ?	Samsung Internet Android Full support 8.0