.replace() vs. .split().join() vs .replaceAll()

JavaScript performance comparison

Revision 3 of this test case created

Info

A solution for replacement of strings.

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var mystring = '<a href="http://www.somewhere.net">http://www.somewhere.net</a>';
};
</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
.replace(/a href/g,'a target=_blank href')
result = mystring.replace(/a href/g,'a target=_blank href')
pending…
.replace(new RegExp("a href","gm")," ")
result = mystring.replace(new RegExp("a href","gm"),"target=_blank href");
pending…
.split('a href').join('a target=_blank href')
result = mystring.split('a href').join('a target=_blank href');
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