Underscore.each vs jQuery.each vs. for loop vs. nimble-foreach (v91)

Revision 91 of this benchmark created on

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<script src="//documentcloud.github.com/underscore/underscore-min.js">
</script>
<script src="https://raw.github.com/chrisevans/nimble/master/nimble.js">
</script>

<script>
var pi = Math.PI,
a = "t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t,t".split(","), e; 

</script>

Test runner

Ready to run.

Testing in
TestOps/sec
jQuery.each
$.each(a, function(index, val) {
  val = pi;
});
ready
good old for loop
for (var i = 0, len = a.length; i < len; i++) {
  e = pi;
};
ready
underscore.each
_.each(a, function(item) {
  item = pi;
});
ready

Revisions

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