capitalize first letter

JavaScript performance comparison

Revision 2 of this test case created by user420667

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  String.prototype.capitalizeFirstLetter = function() {
      return this.charAt(0).toUpperCase() + this.slice(1);
  }
  
  function capitalizeFirstLetterIsolated(string) {
      return string.charAt(0).toUpperCase() + string.slice(1);
  }
  
  var theString = 'someString';

};
</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
prototype
theString.capitalizeFirstLetter();
pending…
isolated function
capitalizeFirstLetterIsolated(theString);
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