parseFloat vs. plus

JavaScript performance comparison

Revision 3 of this test case created

Preparation code

<script>
  var i = '1.6', n;
</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
parseFloat
n = parseFloat(i)
pending…
plus
n = +i;
pending…
parseInt
n += parseInt(i)
pending…
Number
n = Number(i)
pending…
Multiply by 1
n = i*1
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