regexp vs indexOf for end of string

JavaScript performance comparison

Revision 79 of this test case created by Sebastian Janzen

Preparation code

<script>
  var REGEXP = /world$/;
  var str = "hello world!";
</script>

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Testing in unknown unknown
Test Ops/sec
Regexp
/world$/.test(str);
pending…
indexOf
str.indexOf("world");
pending…
Prepared regexp
str.match(REGEXP);
pending…
Inline regexp
str.match(/world$/);
pending…

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