Screen.availHeight
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
概述
返回浏览器窗口在屏幕上可占用的垂直空间，即最大高度。
语法
iAvail = window.screen.availHeight
示例
js
if (window.screen.availHeight !== window.screen.height) {
// something's in the way!
// use available to size window
}
规范
| Specification |
|---|
| CSSOM View Module # dom-screen-availheight |
浏览器兼容性
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