Window:focus() 方法

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.

发出将窗口置顶的请求。用户设置可能导致此操作失败,并且在方法返回之前并不能保证窗口已处于最前端。

语法

js
focus()

参数

无。

返回值

无(undefined)。

示例

js
if (clicked) {
  window.focus();
}

规范

Specification
HTML
# dom-window-focus-dev

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
focus

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
See implementation notes.