WebSocket.onopen
属性定义一个事件处理程序,当WebSocket
的连接状态readyState
变为1
时调用;这意味着当前连接已经准备好发送和接受数据。这个事件处理程序通过 事件
(建立连接时)触发。
语法
aWebSocket.onopen = function(event) { console.log("WebSocket is open now."); };
返回值
An EventListener
.
规范
Specification | Status | Comment |
---|---|---|
HTML Living Standard WebSocket: onopen |
Living Standard | Initial definition |
浏览器兼容性
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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.