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<!DOCTYPE html>
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<html>
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<head>
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    <title>Array indexOf() Example</title>
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</head>
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<body>
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    <script>
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        var numbers = [1,2,3,4,5,4,3,2,1];
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        var filterResult = numbers.filter(function(item, index, array){
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            return (item > 2);
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        });
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        alert(filterResult);   //[3,4,5,4,3]
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​
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    </script>
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</body>
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</html>
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