Returns the number of frames (either <frame>
or <iframe>
elements) in the window.
Syntax
framesCount = window.length;
framesCount
is the number of frames.
Example
if (window.length) { // this is a document with subframes }
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'Window.length' in that specification. |
Living Standard | |
HTML5 The definition of 'Window.length' in that specification. |
Recommendation |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
Desktop | Mobile | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic support | Chrome Full support Yes | Edge ? | Firefox Full support Yes | IE ? | Opera ? | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Edge Mobile ? | Firefox Android Full support Yes | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
Document Tags and Contributors
Tags:
Contributors to this page:
sideshowbarker,
connorshea,
momdo,
Delapouite,
cvrebert,
fscholz,
cpigat,
AshfaqHossain,
basemnassar11,
MHasan,
teoli,
kscarfone,
Sheppy,
ethertank,
Mgjbot,
Nickolay,
RobG,
Dria,
JesseW
Last updated by:
sideshowbarker,