Converting arguments to an array

JavaScript performance comparison

Revision 11 of this test case created by Charmander

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var original = [];
   
    for(var i = 0; i < 1000; i++) {
        original[i] = i;
    }
   
    var push = Array.prototype.push;
};
</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
slice
original.slice();
pending…
Array#push
var clone = [];

push.apply(clone, original);
pending…
Array
Array.apply(null, original);
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