Replace All vs Split/Join

JavaScript performance comparison

Revision 10 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  str = "Test abc test test abc test...";
  reg_exp = new RegExp('abc', 'g');
  replaceAll = function(string, omit, place, prevstring) {
    if (prevstring && string === prevstring)
      return string;
    prevstring = string.replace(omit, place);
    return replaceAll(prevstring, omit, place, string)
  }

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
split & join
str.split("abc").join("");
pending…
replace
str.replace(/abc/g, '');
pending…
replaceAll custom function
str = replaceAll(str, "abc", "")
pending…
replace with cached regexp
str.replace(reg_exp, '');
pending…

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