// ES5var randy = new Person('Randy', 1995)console.log(randy) // => {name: "Randy", birth: 1995}randy.say('Hello') // => 'Randy: Hello'// es6var randy = new Person('Randy', 1995)console.log(randy) // => {name: "Randy", birth: 1995}randy.say('Hello') // => 'Randy: Hello'console.log(randy.age) // => 22randy.birth = 1998console.log(randy.age) // => 19分別用es5跟es6實現上面兩個類
面試題兩則，求指教。。
一只名叫tom的貓
2018-10-12 14:13:04