Calling public methods accessing private vars (v5)

Revision 5 of this benchmark created by Bruno Garcia on

Description

Checking the performance of calling public methods with private variables.

Preparation HTML

<script>
 function ConstructorPrivateProperties() {
  var privateProperty1 = 1,
      privateProperty2 = 2,
      privateProperty3 = 3,
      privateProperty4 = 4,
      privateProperty5 = 5,
      privateProperty6 = 6,
      privateProperty7 = 7,
      privateProperty8 = 8,
      privateProperty9 = 9,
      privateProperty10 = 10;
 
  this.publicMethod1 = function() {
   return privateProperty1 + privateProperty2 + privateProperty3 + privateProperty4 + privateProperty5 + privateProperty6 + privateProperty7 + privateProperty8 + privateProperty9 + privateProperty10;
  };
 }
 
 function PrototypePrivateProperties() {}
 
 PrototypePrivateProperties.prototype = {
  _privateProperty1: 1,
  _privateProperty2: 2,
  _privateProperty3: 3,
  _privateProperty4: 4,
  _privateProperty5: 5,
  _privateProperty6: 6,
  _privateProperty7: 7,
  _privateProperty8: 8,
  _privateProperty9: 9,
  _privateProperty10: 10,
 
  publicMethod1: function() {
   return this._privateProperty1 + this._privateProperty2 + this._privateProperty3 + this._privateProperty4 + this._privateProperty5 + this._privateProperty6 + this._privateProperty7 + this._privateProperty8 + this._privateProperty9 + this._privateProperty10;
  }
 };
 
 // Best practice for use with Google's Closure compiler
 
 
 function GooglePrivateProperties() {
  this._privateProperty1 = 1;
  this._privateProperty2 = 2;
  this._privateProperty3 = 3;
  this._privateProperty4 = 4;
  this._privateProperty5 = 5;
  this._privateProperty6 = 6;
  this._privateProperty7 = 7;
  this._privateProperty8 = 8;
  this._privateProperty9 = 9;
  this._privateProperty10 = 10;
 }
 GooglePrivateProperties.prototype.publicMethod1 = function() {
  return this._privateProperty1 + this._privateProperty2 + this._privateProperty3 + this._privateProperty4 + this._privateProperty5 + this._privateProperty6 + this._privateProperty7 + this._privateProperty8 + this._privateProperty9 + this._privateProperty10;
 };
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
call constructor
var instance = new ConstructorPrivateProperties();

for (var i = 0; i < 1000; i++) {
 instance.publicMethod1();
}
ready
call prototype
var instance = new PrototypePrivateProperties();

for (var i = 0; i < 1000; i++) {
 instance.publicMethod1();
}
ready
Google Closure style prototype
var instance = new GooglePrivateProperties();

for (var i = 0; i < 1000; i++) {
 instance.publicMethod1();
}
ready

Revisions

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