get first word

JavaScript performance comparison

Revision 2 of this test case created by erosman

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var sentence = "first second third forth fifth";
};
</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
regex1
sentence.match(/^\S*/)[0]
pending…
regex2
sentence.match(/[^\s]+/)[0]
pending…
slice
sentence.split(" ")[0]
pending…
substring + indexOf
//erosman: using substring + indexOf
var str = sentence.substring(0, sentence.indexOf(' '));
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