prototype vs class-free object-oriented

JavaScript performance comparison

Revision 79 of this test case created by JH

Preparation code

<script>
  function Person(name) {
      this.name = name;
  }
  
  Person.prototype.get_name = function() {
      return this.name;
  };
  
  Person.prototype.set_name = function(name) {
      this.name = name;
  };
  
  var person = function(newName) {
        var name = newName;

        function get_name () {
          return name;
        }

        function set_name (newName) {
          name = newName;
        }

        return Object.freeze({
            get_name: get_name,
            set_name: set_name
        });
   };
  
  ui.benchmarks[2].setup = function() {
      var b = new Person('John');
  };
  
  ui.benchmarks[3].setup = function() {
      var c = person('John');
  };
  
  ui.benchmarks[4].setup = ui.benchmarks[2].setup;
  ui.benchmarks[5].setup = ui.benchmarks[3].setup;
</script>
    

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Class-free read
var b = person('John');
b.get_name();
pending…
Prototype write
var c = new Person('John');
c.set_name('Jane');
pending…
Class-free write
var b = person('John');
b.set_name('Jane');
pending…
Prototype init
var c = new Person('John');
pending…
Class-free init
var b = person('John');
pending…
Prototype read
var c = new Person('John');
c.get_name();
pending…

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Revisions

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