Created
July 1, 2015 22:57
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| //今までコンストラクタ関数とprototypeを使用して表現してきた | |
| //クラス構造を、クラス用の構文で定義できる。 | |
| //ES5 | |
| var Person = function(name) { | |
| this.name = name; | |
| }; | |
| Person.prototype.hi = function() { | |
| return 'hi, my name is ${this.name}'; | |
| }; | |
| var bob = new Person('Bob'); | |
| console.log(bob.hi()); //Hi, my name is Bob | |
| //ES6 | |
| class Person { | |
| constructor(name) { | |
| this.name = name; | |
| } | |
| hi() { | |
| return 'Hi, my name is ${this.name}'; | |
| } | |
| } | |
| var tom = new Person('Tom'); | |
| console.log(tom.hi()); //Hi, my name is Tom | |
| console.log(typeof Person); //function | |
| //継承も可能 | |
| class Noisy extends Person { | |
| hi() { | |
| return '${super.hi()}!!!!!!!!!'; | |
| } | |
| } | |
| var mike = new Noisy('Mike'); | |
| console.log(mike.hi()); //Hi, my name is Mike!!!!!!!!!! |
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