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• 句法
• 值
• 规范
• 浏览器兼容性
• 相关话题

WebSocket.readyState read-only property returns the current state of the WebSocket 连接。

句法

var readyState = aWebSocket.readyState;
					

值

One of the following unsigned short 值：

值	状态	描述
0	CONNECTING	Socket has been created. The connection is not yet open.
1	OPEN	The connection is open and ready to communicate.
2	CLOSING	The connection is in the process of closing.
3	CLOSED	The connection is closed or couldn't be opened.

规范

规范	状态	注释
HTML 实时标准 The definition of 'WebSocket: readyState' in that specification.	实时标准	初始定义

浏览器兼容性

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
readyState	Chrome 43	Edge 12	Firefox 19	IE 10	Opera 30	Safari 10	WebView Android 43	Chrome Android 43	Firefox Android 19	Opera Android 30	Safari iOS 10	Samsung Internet Android 4.0

图例

完整支持

完整支持

元数据

• 最后修改： Mar 18, 2019

相关话题

1. WebSocket
2. 构造函数

   1. WebSocket()
3. 特性

   1. binaryType
   2. bufferedAmount
   3. extensions
   4. onclose
   5. onerror
   6. onmessage
   7. onopen
   8. 协议
   9. readyState
   10. url
4. 方法

   1. close()
   2. send()
5. 事件

   1. error
   2. message
6. 继承：

   1. EventTarget