"new function" v "function"

JavaScript performance comparison

Test case created by

Preparation code

<canvas id="myCanvas" width="600" height="50">
</canvas>
      
<script>
Benchmark.prototype.setup = function() {
  var MYNS = MYNS || {};

};
</script>

Preparation code output

<canvas id="myCanvas" width="600" height="50"> </canvas>

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
using "function" to define Triganimation
(function(whichCanvas) {

  MYNS.Triganimation = function() {

    return {
      init: function() {}
    };
  }();

  MYNS.Triganimation.init();

})("myCanvas");
pending…
using "new function" instead
(function(whichCanvas) {

  MYNS.Triganimation = new function() {
    this.init = function() {}
  }

  MYNS.Triganimation.init();

})("myCanvas");
pending…

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

Compare results of other browsers

0 Comments