The Document hidden property returns a Boolean value indicating if the page is considered hidden or not. This is a read-only property.
Syntax:
let bool = document.hidden;
Return Value: This property returns a Boolean Value.
- true if the page is considered hidden.
- false if the page is not considered hidden
Example: This example shows how to use this property to check whether the page is hidden or not.
HTML
<!DOCTYPE html> < html > Â Â Â < body > Â Â Â Â < h1 >neveropen</ h1 > Â
    < button onclick = "get()" >         Check     </ button >          < script type = "text/javascript" >         function get() {             alert(document.hidden);         }     </ script > </ body >    </ html > |
Output:
Â
Supported Browsers:
- Google Chrome 33
- Edge 12
- Internet Explorer 10
- Firefox 18
- Opera 12.1
- Safari 7