Prototype vs Module pattern performance

JavaScript performance comparison

Revision 9 of this test case created

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Test Ops/sec
Prototypal
Klass = function() {}
Klass.prototype.foo = function() {
  log('foo');
}
Klass.prototype.bar = function() {
  log('bar');
}

var i = 1000,
    objs = [];
while (i--) {
  var o = new Klass()
  objs.push(new Klass());
  o.bar;
  o.foo;
}
pending…
Module pattern
Klass = function() {
  var foo = function() {
        log('foo');
      },
      bar = function() {
        log('bar');
      };

  return {foo: foo, bar: bar}
}

var i = 1000,
    objs = [];
while (i--) {
  var o = new Klass()
  objs.push(new Klass());
  o.bar;
  o.foo;
}
pending…
Module pattern with cached functions
var FooFunction = function() {
  log('foo');
};
var BarFunction = function() {
  log('bar');
};

Klass = function() {
  return {foo: FooFunction, bar: BarFunction}
}

var i = 1000,
    objs = [];
while (i--) {
  var o = new Klass()
  objs.push(new Klass());
  o.bar;
  o.foo;
}
pending…

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