Window.length
Returns the number of frames (either <frame> or <iframe> elements) in the window.
Syntax
framesCount = window.length;
-
framesCountis the number of frames.
Example
if (window.length) { // this is a document with subframes }
Specifications
| Specification |
|---|
| HTML Standard (HTML) # 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 |
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https://developer.mozilla.org/en-US/docs/Web/API/Window/length