js new

new.js

var Class = function(){ 
  var klass = function(){
    this.init.apply(this, arguments); 
  };
  klass.prototype.init = function(){};
  return klass; 
};

// Case 1
var Person = new Class;
Person.prototype.init = function(){ 
  // Called on Person instantiation
};
// Usage:
var person = new Person;

// Case 2
var Person = Class();
Person.prototype.init = function(){ 
  // Called on Person instantiation
};
// Usage:
var person = new Person;