function_create_threeways

function objectGet(getAccess){								            //1. factory function
	var myObj = Object.create(objectGet.prototype);				
	myObj.getAccess = getAccess;
	return myObj;
}


objectGet.prototype = { getAccess: function(){								
	return this.getAccess
	}
}

var d = objectGet('data');

function objectGet(getAccess){								            //2. constructor function may cause unintended global usage without 'var'
	this.getAccess = getAccess;
}

objectGet.prototype = { getAccess: function(){
	return this.getAccess;
	}
}

var c = new objectGet('data');

function genericFunc(Ctr){                                //3. generic function
	var myObj = Object.create(Ctr.prototype);
	var arg = Array.prototype.slice.call(arguments, 1);     //arguments = scope 'this' //1
	Ctr.bind(myObj,arg);								                    //deprecated in jQuery 3.0
	return myObj;
}

var o = genericFunc(objectGet, 'data');