FOR LOOPS test (v2)

Revision 2 of this benchmark created on

Description

Difference between for/in, classical for loop and classical loop with caching.

Preparation HTML

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

Setup

var myArray = ['a', 'b', 'c', 'd'];

Test runner

Ready to run.

Testing in
TestOps/sec
for/in loop
for (var i in myArray) {}
ready
for loop (no caching)
for (var i = 0; i < myArray.length; i++) {}
ready
for loop (with caching)
for (var i = 0, l = myArray.length; i < l; i++) {}
ready
jQuery.each (for comparison)
jQuery.each(myArray, function(index, elem) {});
ready
for loop (no caching) - caching length
var length = myArray.length;
for (var i = 0; i < length; i++) {}
ready
for loop (with caching) - caching length
var length = myArray.length;
for (var i = 0, l = length; i < l; i++) {}
ready

Revisions

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