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ES5中“严格模式”与“非严格模式”的区别？ #28

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aladdin-add opened this issue Jan 11, 2017 · 4 comments

aladdin-add commented Jan 11, 2017 •

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范围比较大，很适合用来快速打开话题。

Collaborator

FrankFang commented Jan 13, 2017

参考：https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Strict_mode

Author

aladdin-add commented Jan 20, 2017

@zhangolve 严格模式(strict mode)对JS的类型系统基本没有影响。

类型系统的修改会引起很大的兼容性问题，而ES5引入的特性基本都是在原来基础上兼容的。
===和==是ES5之前就有的特性，和严格模式没有关系。

zhangolve commented Jan 20, 2017

@aladdin-add 学习了，这一块还真没太多了解，也没看二楼链接，就假设自己在面试吧，直接写上了。

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