$.each() vs. my prototype

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<script>
Benchmark.prototype.setup = function() {
    Array.prototype.foreach = function(func) {
      for (var i = 0; i < this.length; i++) {
        if (func(this[i]) === false) break; //return false from func in order to break the loop
      }
      return this;
    }
   
    myArray = [1, 2, 3];
    myInt = 0;
};
</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
$.each()
$.each(myArray, function(k, v) {
  myInt += v;
});
pending…
foreach()
myArray.foreach(function(num) {
  myInt += num;
});
pending…
native forEach
myArray.forEach(function(num) {
  myInt += num;
});
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