Fastest array loops in Javascript (v562)

Revision 562 of this benchmark created on

Preparation HTML

<script>
  // Populate the base array
  var arr = [];
  for( var i = 0; i < 1000; i++ ) {
    arr[i] = 'value' + i;
  }

  function someFn (ix) {
      return ix * 5 + 1 / 3 * 8;
  }
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
for1-let
for(let i=0; i<arr.length; i++) {
    someFn(arr[i]);
}
ready
for1
for(var i=0; i<arr.length; i++) {
    someFn(arr[i]);
}
ready
for-cached
let l = arr.length;
for(var i=0; i<l; i++) {
    someFn(arr[i]);
}
ready

Revisions

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