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length property (comment, CommentNode, TextNode)

Browser support:

Returns the number of characters within a TextNode, CommentNode or comment object.

To get the contents of the objects mentioned above, use the data property.

Syntax:

object.length;

You can find the related objects in the Supported by objects section below.

This property is read-only.

Possible values:

Integer that represents the length of the contents.

Default: this property has no default value.

Example HTML code 1:

This example illustrates the use of the length property:

<head>
    <script type="text/javascript">
        function GetCountOfChars () {
            var span = document.getElementById ("mySpan");
            var textNode = span.firstChild;
            alert (textNode.length);
        }
    </script>
</head>
<body>
    <span id="mySpan">AAA-BBB-CCC</span>
    <br />
    <button onclick="GetCountOfChars ()">Get the number of chars in a TextNode!</button>
</body>