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交作业

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74_sharlock_399

#1 Created at ... [Delete] [Delete and Lock User] 
class Cat {
    constructor (name) {
        this.name = name;
    }
    say () {
        return `Hello, ${this.name}!`;
    }
}

这次作业存在一些坑： hello逗号后面的空格； 最后的感叹号；

creepwalks

#2 Created at ... [Delete] [Delete and Lock User]

还可以用用class的？！？

太阳尚远Y

#3 Created at ... [Delete] [Delete and Lock User]

class关键字是ES6才有的规范，可以看看这里： https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Classes

编程的那些事

#4 Created at ... [Delete] [Delete and Lock User]

他讲的是标准后的JS也就是以后都会用到的，那我现在到底看那个的额

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