for vs reverse for

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<script>
var arr = new Array(100000);
</script>

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
for
for (var i = 0; i < arr.length; i++) {
  !arr[i];
}
pending…
reverse for
for (var i = arr.length - 1; i >= 0; i--) {
  !arr[i];
}
pending…

Compare results of other browsers

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:

0 comments

Add a comment