WebSocket.onclose

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.onclose 属性返回一个事件监听器，这个事件监听器将在 WebSocket 连接的readyState 变为 CLOSED时被调用，它接收一个名字为“close”的 CloseEvent 事件。

语法

WebSocket.onclose = function(event) {
  console.log("WebSocket is closed now.");
};

值

一个EventListener.

规范

Specification
WebSockets Standard
# dom-websocket-onclose