ProtoInherit

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    if (!Object.create) {     Object.create = function (o) {         if (arguments.length > 1) {             throw new Error('Object.create implementation only accepts the first parameter.');         }         function F() {}         F.prototype = o;         return new F();     }; } 
    
  };
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
Proto
 
var inherits = function(ctor, superCtor) {
    ctor.super_ = superCtor;
    ctor.prototype = Object.create(superCtor.prototype, {
      constructor: {
        value: ctor,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    };

function Base() {

}

var bProto = Base.prototype;

bProto.f1 = function() {};
bProto.f2 = function() {};
bProto.f3 = function() {};
bProto.f4 = function() {};

function Child() {}
inherits(Child, Base);
var cProto = Child.prototype;

cProto.f5 = function() {};
cProto.f6 = function() {};
cProto.f7 = function() {};
cProto.f8 = function() {};

var c = new Child();
c.f1();
c.f2();
c.f3();
c.f4();
c.f5();
c.f6();
c.f7();
c.f8();
 pending…
inherits
 
function Base() {
  this.f1 = function() {};
  this.f2 = function() {};
  this.f3 = function() {};
  this.f4 = function() {};
}




function Child() {
  this.inheritFrom = Base;
  this.inheritFrom();

  this.f5 = function() {};
  this.f6 = function() {};
  this.f7 = function() {};
  this.f8 = function() {};
}

var c = new Child();
c.f1();
c.f2();
c.f3();
c.f4();
c.f5();
c.f6();
c.f7();
c.f8();
 pending…

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