Window.length
 Returns the number of frames (either <frame> or <iframe> elements) in the window. 
Value
A number.
Examples
if (window.length) {
  // this is a document with subframes
}

Specifications

Specification
HTML Standard # dom-length-dev

Browser compatibility




Desktop
Mobile



Chrome
Edge
Firefox
Internet Explorer
Opera
Safari
WebView Android
Chrome Android
Firefox for Android
Opera Android
Safari on IOS
Samsung Internet



length
1
12
1
4
≤12.1
1
1
18
4
≤12.1
1
1.0




Found a problem with this page?

Edit on GitHub
Source on GitHub
Report a problem with this content on GitHub
Want to fix the problem yourself? See our Contribution guide.


Last modified: Apr 6, 2022, by MDN contributors


    
{'path': 'public/docs/dom/window/length.html', 'source': 'DevDocs.IO'}