.replace() vs. .split().join() vs .replaceAll()

JavaScript performance comparison

Revision 11 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var mystring = 'okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.okay.this.is.a.string.',
  re = new RegExp(".","g"),
  re2 = /\./g;

};
</script>

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
.replace(/\./g,' ')
result = mystring.replace(/\./g,' ');
pending…
.replace(new RegExp(".","g")," ")
result = mystring.replace(new RegExp(".","g")," ");
pending…
.split('.').join(' ')
result = mystring.split('.').join(' ');
pending…
mystring.replace(re," ");
result = mystring.replace(re," ");
pending…
mystring.replace(re2," ");
result = mystring.replace(re2," ");
pending…

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Revisions

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