prototype vs closures

JavaScript performance comparison

Revision 70 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  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(_name) {
    var name = _name;
  
    return {
      'get_name': function() {
        return name;
      },
      'set_name': function(_name) {
        name = _name;
      }
    };
  };
  
  var personProto = {
    'get_name': function() {
      return this.name;
    },
    'set_name': function(_name) {
      this.name = _name;
    }
  };
  
  var personP = function(name) {
    var res = Object.create(personP);
    return res;
  };
  
  var _o = personP('John');
  var _p = new Person('John');
  var _c = person('John');

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Prototype init
var p = new Person('John');
pending…
Closure init
var c = person('John');
pending…
Prototype read
_p.get_name();
pending…
Closure read
_c.get_name();
pending…
Prototype write
_p.set_name('Jane');
pending…
Closure write
_c.set_name('Jane');
pending…
Object.create
var o = personP('John');
pending…

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