概要
返回当前 WebSocket 的链接状态，只读。
语法
var readyState = aWebSocket.readyState;
值
以下其中之一
- 0 (
WebSocket.CONNECTING) - 正在链接中
- 1 (
WebSocket.OPEN) - 已经链接并且可以通讯
- 2 (
WebSocket.CLOSING) - 连接正在关闭
- 3 (
WebSocket.CLOSED) - 连接已关闭或者没有链接成功
Specifications
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'WebSocket.readyState' in that specification. |
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
readyState | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE ? | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown