WebSocket.onopen
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
**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 |
---|
WebSockets # dom-websocket-onopen |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
open event |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
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.