EventSource.close()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

EventSource 的方法 close() 用于关闭当前的连接,如果调用了此方法,则会将EventSource.readyState这个属性值设置为 2 (closed)

备注: 如果连接已经被关闭,此方法不会做任何事情

语法

js
close()

参数

无。

返回值

无(undefined)。

示例

js
var button = document.querySelector("button");
var evtSource = new EventSource("sse.php");

button.onclick = function () {
  console.log("Connection closed");
  evtSource.close();
};

备注: 你可以在 Github 上查看这整个例子: Simple SSE demo using PHP.

规范

Specification
HTML Standard
# dom-eventsource-close-dev

浏览器兼容性

BCD tables only load in the browser

参见