array split vs substring vs array[]

JavaScript performance comparison

Revision 2 of this test case created by zsitro

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var str = '2013-03-29',
        year;
};
</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
array split
result = str.split('')[0];
pending…
substring
result = str.substr(0, 1);
pending…
array pick
result = str[0];
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