MessageEvent.origin

在此页

origin 只读特性在 MessageEvent 接口是 USVString representing the origin of the message emitter.

var origin = messageEvent.origin;

A USVString representing the origin.

myWorker.onmessage = function(e) {
  result.textContent = e.data;
  console.log('Message received from worker');
  console.log(e.origin);
};

规范	状态	注释
HTML 实时标准 The definition of 'MessageEvent: origin' in that specification.	实时标准

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`origin`	Chrome 1	Edge 12	Firefox 4	IE 9	Opera Yes	Safari 4	WebView Android Yes	Chrome Android Yes	Firefox Android 4	Opera Android Yes	Safari iOS 3	Samsung Internet Android Yes
返回 `USVString` (was previously `DOMString` )	Chrome Yes	Edge ≤79	Firefox 55	IE No	Opera ?	Safari ?	WebView Android Yes	Chrome Android Yes	Firefox Android 55	Opera Android ?	Safari iOS ?	Samsung Internet Android Yes

ExtendableMessageEvent — similar to this interface but used in interfaces that needs to give more flexibility to authors.