WebSocket.onopen

WebSocket.onopen属性返回事件监听，当WebSocket 的连接状态由readyState 变为“OPEN”状态时调用;这一行为也表明当前连接已经准备好发送消息和接受消息。这个事件有个简单的名字： “open”

 

语法

aWebSocket.onopen = function(event) {
  console.log("WebSocket is open now.");
};

值

An EventListener.

详述

Specification	Status	Comment
HTML Living Standard WebSocket: onopen	Living Standard	Initial definition

Browser compatibility

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.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
Basic support	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE ?	Opera Full support Yes	Safari ?	WebView Android ?	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS ?	Samsung Internet Android ?

Legend

Full support  

Full support

Compatibility unknown  

Compatibility unknown