1、工厂模式

function createPerson(name, job) {var o = new Object()o.name = nameo.job = jobo.sayName = function() {console.log(this.name)}return o
}
var person1 = createPerson('Jiang', 'student')
var person2 = createPerson('X', 'Doctor')

2、构造函数模式

function Person(name, job) {this.name = namethis.job = jobthis.sayName = function() {console.log(this.name)}
}
var person1 = new Person('Jiang', 'student')
var person2 = new Person('X', 'Doctor')

3、原型模式

function Person() {
}
Person.prototype = {name: 'jiang',job: 'student',sayName: function() {console.log(this.name)}
}
var person1 = new Person()

4、组合使用构造函数模式和原型模式

function Person(name) {this.name = namethis.friends = ['Shelby', 'Court']
}
Person.prototype.sayName = function() {console.log(this.name)
}
var person1 = new Person()
var person2 = new Person()
person1.friends.push('Van')
console.log(person1.friends)  //["Shelby", "Court", "Van"]
console.log(person2.friends) // ["Shelby", "Court"]
console.log(person1.friends === person2.friends) //false

5、动态原型模式

function Person(name, job) {// 属性this.name = namethis.job = job// 方法if(typeof this.sayName !== 'function') {Person.prototype.sayName = function() {console.log(this.name)}}}
var person1 = new Person('Jiang', 'Student')
person1.sayName()

6、寄生构造函数模式

function Person(name, job) {var o = new Object()o.name = nameo.job = jobo.sayName = function() {console.log(this.name)}return o
}
var person1 = new Person('Jiang', 'student')
person1.sayName()

7、稳妥构造函数模式

function Person(name, job) {var o = new Object()o.name = nameo.job = jobo.sayName = function() {console.log(name)}return o
}
var person1 = Person('Jiang', 'student')
person1.sayName()

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