Prototype - clone() Method


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This method returns a duplicate of the array, leaving the original array intact.

Syntax

array.clone();

Return Value

Returns a new clone array.

Example

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            var oldArr = ['Sam', 'Justin', 'Andrew', 'Dan'];
            var newArr = oldArr.clone();
            alert("Guys in old Arr" );
            
            oldArr.each(function(item) {
               alert(item );
            });
            alert("Guys in new Arr" );
            
            newArr.each(function(item) {
               alert(item );
            });
         }
      </script>
   </head>

   <body>
      <p>Click the button to see the result.</p>
      <br />
      <br />
      <input type = "button" value = "Result" onclick = "showResult();"/>
   </body>
</html>

Output


prototype_array_processing.htm

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