Is integer

JavaScript performance comparison

Revision 2 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  function assert(x) {
    if (!x) {
      throw Error();
    }
  }
  
  function parseint(x) {
    return (parseInt(x) == x);
  }
  
  function isnan(x) {
    return !isNaN(x);
  }
  
  function test(func) {
    assert(func(0));
    assert(func(1));
    assert(func('1'));
  }

};
</script>

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
isNaN
test(isnan)
pending…
parseInt
test(parseint);
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.

0 Comments