for loop i++ vs in... (v67)

Revision 67 of this benchmark created by for loop i++ vs in... 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
For loop, basic
for (var i = 0; i < arr.length; i++) {
  someFn(i);
}
ready
for .. in
for ( var i in arr ) {
  someFn(i);
}
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.