This method copies all properties from the source to the destination object. This is used by Prototype to simulate inheritance by copying to prototypes.
Syntax:
Object.extend(dest, src);
Return Value :
Returns an altered object.
Example:
<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript"
src="/javascript/prototype.js">
</script>
<script>
function showResult(){
var o1 = { name: 'Prototype', version: 1.5 };
// An empty object
var o2 = {};
var o2 = Object.extend(o2, o1);
alert( " Value of o2.name :" + o2.name );
// Returns Prototype
alert( " Value of o2.version :" + o2.version );
// Returns 1.5
}
</script>
</head>
<body>
<p>Click the button to see the result.</p>
<br />
<br />
<input type="button" value="Result" onclick="showResult();"/>
</body>
</html>