Slice vs Substr vs Substring Methods

JavaScript performance comparison

Revision 124 of this test case created by pusha

Preparation code

<script>
  var longString = "";
  // Large = 10,000
  for (var i = 0; i < 10000; i++) {
        longString += i % 10;
  }
</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
substring
longString.substring(17, 20);
pending…
slice
longString.slice(17, 20);
pending…
substr
longString.substr(17, 3);
pending…

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL.

0 Comments