The length property of the CSSRuleList interface returns the number of CSSRule objects in the list.
CSSRuleList: length property
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
| 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 | 9 | ≤12.1 | 1 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/CSSRuleList/length