for(;;;) vs forEach vs $.each (v23)

Revision 23 of this benchmark created on

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

Setup

var i;
    
    window.arr = [];
    
    for (i = 0; i < 10000; i += 1) {
      arr.push(i);
    }

Test runner

Ready to run.

Testing in
TestOps/sec
for(;;;)
var ii = 0, len = arr.length;

for (ii = 0; ii < len; ii += 1) {
  arr[ii] / 2;
}
ready
native forEach
arr.forEach(function (i, index, array) {
  i / 2;
});
ready
$.each
$.each(arr, function (i, item) {
  item / 2;
});
ready
for in
for (i in arr) {
  arr[i] / 2;
}
ready
for--
for (var iii = arr.length; iii--;) {
  arr[iii] / 2;
}
ready

Revisions

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