Tutorials Point


  Learn Prototype
  Prototype Resources
  Selected Reading

Copyright © 2014 by tutorialspoint



  Home     References     Discussion Forums     About TP  

Prototype Object clone() Method


previous next AddThis Social Bookmark Button


Advertisements

This method clones the passed object using shallow copy. It copies all the original's properties to the result.

Syntax:

object.clone()  ;

Return Value :

  • Returns a clone of object.

Example:

<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript" 
   src="/javascript/prototype.js">
</script>

<script>

function showResult(){

   var o = { name: 'Prototype', version: 1.5, 
             authors: ['sam', 'contributors'] };
   var o2 = Object.clone(o);

   o2.version = '1.5 weird';
   o2.authors.pop();

   alert( " Value of o.version : " + o.version );
   // Returns 1.5

   alert( " Value of o2.version : "  + o2.version );
   // Returns 1.5 weird

   alert( " Value of o.authors : " +  o2.authors );
   // Returns ['sam'] 
}

</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.



previous next Printer Friendly

Advertisements


  

Advertisements