$each vs _.each vs for in (v10)

Revision 10 of this benchmark created by Ky6uk on

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="//documentcloud.github.com/underscore/underscore-min.js"></script>
<script>
  var jsArray = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
 
  value;
  
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
$.each
$.each(jsArray, function(val) {
  value = val;
});
ready
_.each
_.each(jsArray, function(val) {
  value = val;
});
ready
for in
for (var val in jsArray) {
  value = val;
}
ready
for i
for (var key = 0; key < jsArray.length; key += 1) {
  value = jsArray[key];
}
ready
for i save length
for (var key = 0, len = jsArray.length; key < len; key += 1) {
  value = jsArray[key];
}
ready

Revisions

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