substring test short haystack (v19)

Revision 19 of this benchmark created on

Preparation HTML

<script>
  var str = "JSONThis is a simple test!";
  var needle = "JSON";
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
substr
var c = str.substr(0,4) === "JSON"
ready
indexof
var c = str.indexOf(needle) > -1
ready
RegExp
var c = (new RegExp(needle)).test(str);
ready
Cached RegExp
var c = r.test(str);
ready
regex case insensitive
var c = /simple/i.test(str);
ready
indexOf case insensitive
var c = str.toLowerCase().indexOf(needle) > -1;
ready
RegExp case insensitive
var c = (new RegExp(needle, 'i')).test(str);
ready
cached RegExp case insensitive
var c = ri.test(str);
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.