String global replace comparison

JavaScript performance comparison

Revision 26 of this test case created

Info

A solution for replacement of strings.

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var mystring = 'okay.this.is.a.string.that.is.dot.separated';
    var constructedStatic = new RegExp("\\.","g");
    var shorthandStatic = /\./g;
   
    String.prototype.loopReplace = function(replacee,replacer){
      var result = this;
      while(!!~(result = result.replace('.',' ')).indexOf('.')){}
      return result;
    }
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
shorthand on the spot
result = mystring.replace(/\./g,' ');
pending…
constructed on the spot
result = mystring.replace(new RegExp("\\.","g")," ");
pending…
constructed, static
result = mystring.replace(constructedStatic," ");
pending…
shorthand, static
result = mystring.replace(shorthandStatic," ");
pending…
split-join
result = mystring.split('.').join(' ');
pending…
String replace loop
result = mystring.loopReplace('.',' ');
pending…

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