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MediaList: length property - Web APIs | MDN
MediaList: length property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The read-only length property of the MediaList interface returns the number of media queries in the list.
Value
A positive integer.
Examples
The following would log to the console the number of media queries stored in the
MediaList associated with the first stylesheet applied to the current document.
js
const stylesheets = document.styleSheets;
const stylesheet = stylesheets[0];
console.log(stylesheet.media.length);
Specifications
| Specification |
|---|
| CSS Object Model (CSSOM) # dom-medialist-length |
Browser compatibility
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