CSSStyleDeclaration.length

The read-only property returns an integer that represents the number of style declarations in this CSS declaration block.

Syntax

var num = styles.length;

Value

An integer that provides the number of styles explictly set on the parent of the instance.

Example

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

Browser compatibility