JavaScript--ES5使用Object.create()继承

JavaScript 继承
ES5
js继承之三（对象关联方式，Object.create()）

function object(o) {
	function F() {}
	F.prototype = o;
	return new F();
}

//Object.create()
var a = {f:function(){console.log('hello a');},id:1};
var b = Object.create(a);
b.f();

         ES6
         ES6 Class 类

class Child extends Father { ... }

• javascript原型对象与原型链

• BiliBili-JavaScript高级进阶-H5，16、原型

function A(name,age){
  this.name=name;
  this.age=age;
  this.printA=printA;
  function printA(){
    console.log(name);
    console.log(age);
  }
}
A.prototype.printA2 = function(){
  console.log('printA2');
}

function B(hobby,name,age){
  this.hobby=hobby;
  this.printB=printB;
  function printB(){
    console.log(hobby);
  }
}


var a = new A('aa',18);
console.dir(a);

var b = new B('run','qw',16);
var c=Object.create(a);

b.__proto__=c.__proto__;


console.dir(b);
document.write(b.hobby);
b.printB();
b.printA();
b.printA2();

function _fuc(){
console.log('dsfsfsadsf');
}
function person(){
this.printObj = _fuc;
}
var A = new person();
console.dir(A);