js继承面试速记(内容抄自高程三)

function SuperType(){
    this.property = true;
}
SuperType.prototype.getSuperValue = function(){
    return this.property;
}
function SubType(){
    this.subproperty = false;
}
// 通过将原型指向另一个类型的事例来继承
SubType.prototype = new SuperType();

function SuperType(){
    this.colors = ['red','blue','green'];
}
function SubType(){
    // 继承了SuperType
    SuperType.call(this)
}

function SuperType(name){
    this.name = name;
    this.colors = ['red','blue','green']
}
SuperType.prototype.sayName = function(){
    alert(this.name)
}
function SubType(name,age){
    // 继承属性
    SuperType.call(this,name)
    this.age = age;
}
// 继承方法
SubType.prototype = new SuperType();
SubType.prototype.constructor = SubType;

function object(o){
    function F(){}
    F.prototype = o;
    return new F();
}
var person = {
    name:"Nicholas",
    friends:["Shelby","Court","Van"]
};
// 实现继承
var anotherPerson = object(person);

function createAnother(original){
    var clone = object(original)  //原型式继承中的object方法
    clone.sayHi = function(){
        alert('hi')
    };
    return clone;
}
var person = {
    name:'Nicholas',
    friends：['Shelby','Court','Van']
}
// 实现继承
var anotherPerson = createAnother(person)

function inheriPrototype(subType,superType){
    var prototype = object(supeType.prototype);   // 继承方法
    prototype.constructor = subType;
    subType.prototype = prototype;
}
function SuperType(name){
    this.name = name;
    this.colors = ['red','blue','green'];
}
superType.prototype.sayName = function(){
    alert(this.name);
}
function SubType(name,obj){
    // 继承属性
    SuperType.call(this,name);
    this.age = age;
}
// 继承方法
inheritPrototype(SubType,SuperType)