WebSocket: 错误事件

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的连接由于一些错误事件的发生 (例如无法发送一些数据) 而被关闭时,一个error事件将被引发。

Bubbles No
Cancelable No
Interface Event
Event handler property onerror

示例

js
// Create WebSocket connection
// 创建一个 WebSocket 连接
const socket = new WebSocket("ws://localhost:8080");

// Listen for possible errors
// 监听可能发生的错误
socket.addEventListener("error", function (event) {
  console.log("WebSocket error: ", event);
});

规范

Specification
WebSockets
# dom-websocket-onerror

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
error event

Legend

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Full support
Full support

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