js创建对象

//javascript  创建对象

//工厂模式
function createPerson(name, age, job){
	var o = new Object();
	o.name = name;
	o.age = age;
	o.job = job;
	o.sayName = function () {
		alert(this.name);
	}
}
var person1 = createPerson("Greg", 20, "SoftWare Engineer");

//构造函数模式
function Person(name, age, job){
	this.name = name;
	this.age = age;
	this.job = job;
	this.sayName =function() {
		alert(this.name);
	}
}
var person2 = new Person("Greg", 20, "SoftWare Engineer");