Prototype - uniq() Method


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This method produces a duplicate-free version of an array. If no duplicates are found, the original array is returned.

Syntax

array.uniq();

Return Value

Returns a new array without duplicate elements.

Example

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            var arr = ['Sam', 'Justin', 'Andrew', 'Dan', 'Sam'];
            alert("Old Array : "  + arr.inspect() );
            alert("New Array : "  + arr.uniq().inspect() );
         }
      </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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