Prototype vs Module pattern performance

JavaScript performance comparison

Revision 142 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    Klass1 = function() {}
    Klass1.prototype.foo = function() {
      log('foo');
    }
    Klass1.prototype.bar = function() {
      log('bar');
    }
   
    Klass2 = function() {
      var foo = function() {
            log('foo');
          },
          bar = function() {
            log('bar');
          };
   
      return {foo: foo, bar: bar}
    }
   
   
    var FooFunction = function() {
      log('foo');
    };
    var BarFunction = function() {
      log('bar');
    };
   
    Klass3 = function() {
      return {foo: FooFunction, bar: BarFunction}
    }
};
</script>

Test runner

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

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
Prototypal
var i = 1,
    objs = [];
while (i--) {
  var o = new Klass1()
  objs.push(new Klass1());
  o.bar;
  o.foo;
}
pending…
Module pattern
var i = 1,
    objs = [];
while (i--) {
  var o = new Klass2()
  objs.push(Klass2());
  o.bar;
  o.foo;
}
pending…
Module pattern with cached functions
var i = 1,
    objs = [];
while (i--) {
  var o = new Klass3()
  objs.push(Klass3());
  o.bar;
  o.foo;
}
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. Here’s a list of current revisions for this page:

0 comments

Add a comment