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什么时候不使用箭头函数? 说出三个或更多的例子？ #294

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Sogrey opened this issue Sep 16, 2020 · 0 comments

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模块化&ES5、ES6

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Sogrey commented Sep 16, 2020

不应该使用箭头函数一些情况：

当想要函数被提升时(箭头函数是匿名的)
要在函数中使用this/arguments时，由于箭头函数本身不具有this/arguments，因此它们取决于外部上下文
使用命名函数(箭头函数是匿名的)
使用函数作为构造函数时(箭头函数没有构造函数)
当想在对象字面是以将函数作为属性添加并在其中使用对象时，因为咱们无法访问 this 即对象本身。

The text was updated successfully, but these errors were encountered:

Sogrey added the 模块化&ES5、ES6 label

Sogrey added this to javascript in Web面经题

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