regexp vs indexOf

JavaScript performance comparison

Revision 11 of this test case created

Preparation code

<script>
  var str = "TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST world TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST world!";
  str = str.substr(0,5)
  var rw = /^world/;
  var sw = "world";  
</script>

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Testing in unknown unknown
Test Ops/sec
Regexp
 
rw.test(str);
 pending…
indexOf
 
str.indexOf(sw) == 0;
 pending…
substr Equals
 
str  == sw
 pending…

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