CSSRuleList: 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 September 2015.

The length property of the CSSRuleList interface returns the number of CSSRule objects in the list.

Value

An integer.

Examples

In the following example the number of items in the CSSRuleList named myRules is printed to the console.

js
let myRules = document.styleSheets[0].cssRules;
console.log(myRules.length);

Specifications

Specification
CSS Object Model (CSSOM)
# dom-cssrulelist-length

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
length

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support