Prototype vs Non-Prototype

JavaScript performance comparison

Test case created by Jeremy McPeak (Nettuts)

Info

Testing the difference in execution time of creating objects using the prototype and not using it.

Preparation code

<script>
  function Person(firstName, lastName) {
    this.firstName = firstName;
    this.lastName = lastName;
  }
  
  Person.prototype.getFullName = function() {
    return this.firstName + " " + this.lastName;
  };
  
  function Person2(firstName, lastName) {
    this.firstName = firstName;
    this.lastName = lastName;
    this.getFullName = function() {
      return this.firstName + " " + this.lastName;
    };
  }
</script>

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Testing in unknown unknown
Test Ops/sec
Prototype
 
var person = new Person("Jeremy", "McPeak");
 pending…
Non-Prototype (Nested)
 
var person2 = new Person2("Jeremy", "McPeak");
 pending…

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