$.inArray, _.indexOf, and a simple loop (v40)

Revision 40 of this benchmark created on

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.1/jquery.min.js">
</script>
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.3.3/underscore-min.js">
</script>

Setup

var r;
    var array = [];
    
    for (var i=0;i<300;i++) { array[i] = String(i); }
    
    function contains(array, value) {
      var index = -1,
          length = array.length;
    
      while (++index < length) {
        if (array[index] === value) {
          return true;
        }
      }
      return false;
    }

Test runner

Ready to run.

Testing in
TestOps/sec
$.inArray
r = $.inArray('5', array);
r = $.inArray('150', array);
r = $.inArray('400', array);
ready
_.indexOf
r = _.indexOf(array, '5') > -1;
r = _.indexOf(array, '150') > -1;
r = _.indexOf(array, '400') > -1;
ready
Simple loop
r = contains(array, '5');
r = contains(array, '150');
r = contains(array, '400');
ready
Underscore binary search
r = _.indexOf(array, '5', true) > -1;
r = _.indexOf(array, '150', true) > -1;
r = _.indexOf(array, '400', true) > -1;
ready

Revisions

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