Debunk method calls in loop conditions

JavaScript performance comparison

Revision 6 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var my_array = [0,1,2,3,4,5,6,7,8,9];
    function myMethod() {
        return my_array.length;
    };
};
</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
"slow"
for(var i = 0; i < my_array.length; i++){};
pending…
"fast"
var length = my_array.length;
for(var i = 0; i < length; i++){};
pending…
"Test"
for(var i = 0,e; e= my_array[i]; i++){};
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