Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
  Benchmark.prototype.setup = function() {
    var arr=[0,1,2,3,4,5,6,7,8,9];
    
    function arrayLoop(elem, array, i) {
        var len = array.length;
        i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
        for ( ; i < len; i++ ) {
            // Skip accessing in sparse arrays
            if ( i in array && array[ i ] === elem ) {
                return i;
            }
        }
        return -1;
    }
    
  };
</script>

Test runner

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Java applet disabled.

var rtn=jQuery.inArray(9,arr);

var rtn = arrayLoop(9,arr);

var rtn=jQuery.inArray(4,arr);

var rtn=arrayLoop(4,arr);

var rtn=jQuery.inArray(0,arr);

var rtn=arrayLoop(0,arr);

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 14th January 2012
• Revision 2: published by T.J. Crowder on 14th January 2012
• Revision 3: published by T.J. Crowder on 14th January 2012
• Revision 4: published on 14th January 2012
• Revision 5: published on 21st February 2012

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