寫JS一陣子之後才知道要怎麼模擬繼承的寫法...
多虧平常一起共事的YY女同事寫了很多不錯的程式碼可以參考。
//父類別-人
function People() {
this.hands = 2; //2隻手
People.prototype.say = function(){
return "I am People";
}
}
//子類別-傷心的人
function SadPeople() {
People.call(this);
this.slowMelody = false; //聽慢歌
}
var prototype = Object.create(People.prototype);
prototype.constructor = SadPeople;
SadPeople.prototype = prototype;
//測試
var sadPeople = new SadPeople();
console.log(sadPeople.hands); // 2
console.log(sadPeople.slowMelody); // false;
console.log(sadPeople.say()); // I am People
