WebSocket.onerror - Web API 接口参考 编辑

The WebSocket.onerror property returns the event listener to be called when an error occurs. This is a simple event named "error".

在 WebSocket.onerror属性中，你可以定义一个发生错误时执行的回调函数，此事件的事件名为"error"

语法

WebSocket.onerror = function(event) {
  console.error("WebSocket error observed:", event);
};

值

An EventListener.

Specifications

Specification	Status	Comment
HTML Living Standard WebSocket: onerror	Living Standard	Initial definition

浏览器兼容性

BCD tables only load in the browser

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.