为什么写成箭头函数不行，${this.name}是空的。。

Discuss / JavaScript / 为什么写成箭头函数不行，${this.name}是空的。。

Back

Topic source

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

function Cat(name) {
    this.name=name;
}

Cat.prototype.say=(()=>`Hello, ${this.name}!`);

显示

"Hello, !"

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

此时为全局对象得this