function Man(name,age) {
this.name = name;
this.age = age;
}
function test() {
var person1 = new Man("张三","18");
var person2 = new Man("李四","19");
Man.prototype.sex = "男";
console.log(person1.sex); //男
console.log(person2.sex); //男
}
function FutherType(){
this.property = true;
}
FutherType.prototype.getFutherValue - function(){
return this.property;
}
function SonType(){
this.sonproperty = false;
}
SonType.prototype = new FutherType();
SonType.prototype.getSonValue = function(){
return this.sonproperty;
}
var instance = new SonType();
console.log(instance.getFutherValue()); //true
