Document.hidden （只读属性）返回布尔值，表示页面是（true）否（false）隐藏。
语法
var string = document.hidden
例子
document.addEventListener("visibilitychange", function() {
console.log( document.hidden );
// Modify behavior...
});
规范
| Specification | Status | Comment |
|---|---|---|
| Page Visibility (Second Edition) Document.hidden |
Recommendation | Initial definition. |
浏览器兼容性
We're converting our compatibility data into a machine-readable JSON format.
This compatibility table still uses the old format,
because we haven't yet converted the data it contains.
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| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 13 webkit 33 |
18 (18) [1] | 10 | 12.10 | 7 |
| Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | 4.4 webkit | 18.0 (18) [1] | ? | 12.10 | 7 |
[1] From Firefox 10 to Firefox 51 included, this property could be used prefixed with -moz-.