WebSocket.readyState

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.

概要

返回当前 WebSocket 的链接状态，只读。

语法

var readyState = WebSocket.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
WebSockets Standard
# ref-for-dom-websocket-readystate①

Browser compatibility

BCD tables only load in the browser