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This method copies all properties from the source to the destination object. This is used by Prototype to simulate inheritance by copying to prototypes.
Object.extend(dest, src); |
<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> |
To understand it in better way you can Try it yourself.
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