substring

JavaScript performance comparison

Revision 16 of this test case created by kishore

Preparation code

<script>
  var str = "xyz123456789abcdefghiuvwxyz";
  var needle = "123456789";
  var needleRegex = /123456789/;
</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
substring
str.indexOf(needle)
pending…
regex
needleRegex.test(str)
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