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# Prototype clone() Method

This method returns a clone of hash.

## Syntax:

    hash.clone()  ;

## Return Value :

- Returns a clone of hash.

## Example:

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

    function showResult(){

       var hash = new Hash({ a: 'apple'});
       var clone = hash.clone();
       alert("Value in hash : " + hash.get('a') );
       alert("Value in clone : " + clone.get('a') );
       hash.unset('a');
       clone.unset('a');
    }

    </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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