Prototype uniq() Method

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>

To understand it in better way you can Try it yourself.