function Parent(){
this.name='123';
}
Parent.prototype.getName=function(){
return this.name;
}
function Son(){
this.age=20;
}
Son.prototype=new Parent();
Son.prototype.getAge=function(){
return this.age;
}
var son=new Son();
console.log('Name :'+son.getName()+';Age: '+son.getAge());
VM1777:16 Name :123;Age: 20
function Parent(){
this.name='123';
this.fruits=['apple'];
}
Parent.prototype.getName=function(){
return this.name;
}
function Son(){
this.age=20;
}
Son.prototype=new Parent();
Son.prototype.getAge=function(){
return this.age;
}
var son=new Son();
var son1=new Son();
console.log(son.fruits);//["apple"]
console.log(son1.fruits);//["apple"]
son.fruits.push('pear');
console.log(son.fruits);//["apple", "pear"]
console.log(son1.fruits);//["apple", "pear"]
function Parent(){
this.name='123';
this.fruits=['apple'];
}
Parent.prototype.getName=function(){
return this.name;
}
function Son(){
Parent.call(this);
this.age=20;
}
Son.prototype=new Parent();
Son.prototype.getAge=function(){
return this.age;
}
var son=new Son();
var son1=new Son();
console.log(son.fruits);//["apple"]
console.log(son1.fruits);//["apple"]
son.fruits.push('pear');
console.log(son.fruits);//["apple", "pear"]
console.log(son1.fruits);//["apple"]
function Parent(){
this.name='123';
this.fruits=['apple'];
}
Parent.prototype.getName=function(){
return this.name;
}
function Son(){
Parent.call(this);
this.age=20;
}
function Extend(Parent,Son){
var proto = new Object(Parent.prototype);
proto.constructor = Son;
Son.prototype=proto;
}
Extend(Parent,Son);
Son.prototype.getAge=function(){
return this.age;
}
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