CSSStyleDeclaration.length
 The read-only property returns an integer that represents the number of style declarations in this CSS declaration block. 
Value
 An integer that provides the number of styles explicitly set on the parent of the instance. 
Examples

The following gets the number of explicitly set styles on the following HTML element: <div id="div1" style="margin: 0 10px; background-color: #CA1; font-family: monospace"></div>
 JavaScript code: var myDiv = document.getElementById('div1'); var divStyle = myDiv.style; var len = divStyle.length; // 6


Specifications

Specification
CSS Object Model (CSSOM) # dom-cssstyledeclaration-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
44
12
1
9
≤12.1
6
4.4
18
4
≤12.1
6
1.0




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Last modified: Mar 28, 2022, by MDN contributors


    
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