Merges adjacent DOM objects to produce a normalized document object model.
Syntax node.normalize();
No return value
Examples<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Node.normalize() example</title>
</head>
<body>
<script type="text/javascript">
var wrapper = document.createElement("div");
wrapper.appendChild( document.createTextNode("Part 1 ") );
wrapper.appendChild( document.createTextNode("Part 2 ") );
alert('wrapper.childNodes.length==='+wrapper.childNodes.length);
wrapper.normalize();
document.body.appendChild(wrapper);
alert('wrapper.normalize();wrapper.childNodes.length==='+wrapper.childNodes.length);
</script>
</body>
</html>
By calling object.normalize before the subelements of an object are manipulated, you ensure that the document object model has a consistent structure. The normal form is useful for operations that require a consistent document tree structure, and it ensures that the document object model view is identical when it is saved and reloaded.
The normalize method does not merge adjacent CDATA sections, allowing for an inconsistent object model when CDATA sections are present.
Related specificationsMozilla Developer Network : [Node.normalize Article]
Microsoft Developer Network: [normalize Method Article]
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