contains() vs indexOf

JavaScript performance comparison

Revision 15 of this test case created by Baruch

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  if (!String.prototype.contains) {
    String.prototype.contains = function(searchString, offset) {
      return this.indexOf(searchString, offset) !== -1;
    };
  }
  
  var string = 'foobarfoobar';

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
lastIndexOf()===
string.lastIndexOf('rf') !== -1;
pending…
indexOf
string.indexOf('rf') != -1;
pending…
contains
string.contains('rf');
pending…
~string.indexOf
~
string.indexOf('rf');
pending…
indexOf() ===
string.indexOf('rf') !== -1;
pending…
lastIndexOf()
string.lastIndexOf('rf') != -1;
pending…

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Revisions

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