instance vs prototype

JavaScript performance comparison

Revision 2 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var A = function(valueArg) {
    this.value = valueArg;
    this.count = 0;
  
    this.increment = function() {
      this.count++;
    };
    this.decrement = function() {
      this.count--;
    };
    this.getValue = function() {
      return this.value;
    };
  }
  
  var B = function(valueArg) {
    this.value = valueArg;
    this.count = 0;
  };
  B.prototype.increment = function() {
    this.count++;
  };
  B.prototype.decrement = function() {
    this.count--;
  };
  B.prototype.getValue = function() {
    return this.value;
  };

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
instance
var a = new A(1);
a.increment();
a.decrement();
a.getValue();
pending…
prototype
var b = new B(1);
b.increment();
b.decrement();
b.getValue();
pending…

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