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 (
CONNECTING) - 正在链接中
- 1 (
OPEN) - 已经链接并且可以通讯
- 2 (
CLOSING) - 连接正在关闭
- 3 (
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.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | Yes | ? | Yes | ? | Yes | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | ? | Yes | ? | Yes | ? | ? | ? |