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TYRMarsTYRMars
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-86
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3 files changed

+179
-86
lines changed

‎Example/new.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>new</title>
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</head>
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<body>
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<script type="text/javascript">
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function MyFi(name) {
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this.name = name
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}
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var list = new MyFi('123');
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console.log('list', list);
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//console.log(list('lucy'));
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console.log(new MyFi('lily'));
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var p = {
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name: 'zhangsan'
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};
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var o4 = Object.create(p);
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console.log(o4);
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function Parent1() {
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this.name = 'Parent1';
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}
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Parent1.prototype.say = function() {}
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function Child1() {
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Parent1.call(this); //apply
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this.type = 'C';
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}
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console.log(new Child1, new Parent1);
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</script>
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</body>
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</html>
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</body>
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</html>

‎Example/opp.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>面向对象</title>
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</head>
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<body>
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<script type="text/javascript">
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//类的声明
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function Animal() {
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this.name = 'name';
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}
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//ES6中class的声明
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class Animal2 {
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constructor() {//构造函数
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//类的声明
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function Animal() {
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this.name = 'name';
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}
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}
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//通过类实例化生成对象
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console.log(new Animal(),new Animal2());
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//借助构造函数实现继承
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function Parent1() {
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this.name = 'parent1';
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}
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//Parent1
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function Child1() {
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Parent1.call(this);//apply
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this.type = 'child1';
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}
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console.log(new Child1);
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//借助原型链继承方式
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function Parent2() {
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this.name = 'parent2';
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this.play = [1,2,3];
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}
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function Child2() {
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this.type = 'child2'
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}
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Child2.prototype = new Parent2();//理解为prototype属性指向Parent2
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console.log(new Child2());
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var s1 = new Child2();
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var s2 = new Child2();
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console.log(s1.play,s2.play);
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s1.play.push(4);
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//组合方式
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function Parent3() {
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this.name = 'Parent3';
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this.play = [1,2,3];
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}
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function Child3() {
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Parent3.call(this);
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this.type = 'Child3';
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}
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//子类化原型链 执行了两次实例化
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Child3.prototype = new Parent3();
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var s3 = new Child3();
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var s4 = new Child3();
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s3.play.push(5);
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console.log(s3.play,s4.play);
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//面向对象通用继承
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//组合继承的优化1
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function Parent4() {
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this.name = 'Parent4';
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this.play = [1,2,3];
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}
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function Child4() {
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Parent4.call(this);
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this.type = 'Child4';
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}
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Child4.prototype = Parent4.prototype;
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var s5 = new Child4();
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var s6 = new Child4();
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console.log(s5,s6);
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console.log(s5 instanceof Child4, s5 instanceof Parent4);//true
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console.log(s5.__proto__===Child4.prototype , s5.__proto__===Parent4.prototype);//true
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console.log(s5.constructor);
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//组合继承的优化2
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function Parent5() {
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this.name = 'Parent5';
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this.play = [1,2,3];
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}
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function Child5() {
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Parent4.call(this);
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this.type = 'Child5';
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}
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Child5.prototype = Object.create(Parent5.prototype);
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//ES6中class的声明
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class Animal2 {
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constructor() { //构造函数
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this.name = 'name';
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}
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}
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//通过类实例化生成对象
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console.log(new Animal(), new Animal2());
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//借助构造函数实现继承
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function Parent1() {
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this.name = 'parent1';
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}
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//Parent1
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function Child1() {
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Parent1.call(this); //apply
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this.type = 'child1';
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}
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console.log(new Child1);
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//借助原型链继承方式
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function Parent2() {
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this.name = 'parent2';
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this.play = [1, 2, 3];
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}
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function Child2() {
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this.type = 'child2'
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}
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Child2.prototype = new Parent2(); //理解为prototype属性指向Parent2
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console.log(new Child2());
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var s1 = new Child2();
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var s2 = new Child2();
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console.log(s1.play, s2.play);
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s1.play.push(4);
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//组合方式
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function Parent3() {
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this.name = 'Parent3';
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this.play = [1, 2, 3];
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}
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function Child3() {
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Parent3.call(this);
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this.type = 'Child3';
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}
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//子类化原型链 执行了两次实例化
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Child3.prototype = new Parent3();
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var s3 = new Child3();
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var s4 = new Child3();
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s3.play.push(5);
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console.log(s3.play, s4.play);
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//面向对象通用继承
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//组合继承的优化1
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function Parent4() {
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this.name = 'Parent4';
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this.play = [1, 2, 3];
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}
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function Child4() {
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Parent4.call(this);
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this.type = 'Child4';
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}
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Child4.prototype = Parent4.prototype;
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var s5 = new Child4();
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var s6 = new Child4();
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console.log(s5, s6);
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console.log(s5 instanceof Child4, s5 instanceof Parent4); //true
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console.log(s5.__proto__ === Child4.prototype, s5.__proto__ === Parent4.prototype); //true
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console.log(s5.constructor);
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//组合继承的优化2
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function Parent5() {
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this.name = 'Parent5';
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this.play = [1, 2, 3];
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}
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function Child5() {
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Parent5.call(this);
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this.type = 'Child5';
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}
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Child5.prototype = Object.create(Parent5.prototype);
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Child5.constructor = Child5;
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console.log(new Child5, new Parent5);
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</script>
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</body>
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</html>

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