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new的返回值判断漏了一些情况 #311

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new的返回值判断漏了一些情况 #311

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4 changes: 2 additions & 2 deletions articles/深入系列文章/JavaScript深入之new的模拟实现.md
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Original file line number Diff line number Diff line change
Expand Up @@ -199,7 +199,7 @@ function objectFactory() {

var ret = Constructor.apply(obj, arguments);

return typeof ret === 'object' ? ret : obj;
return ret && (typeof ret === 'object' || typeof ret === 'function') ? ret : obj;

};
```
Expand All @@ -222,4 +222,4 @@ JavaScript深入系列目录地址：[https://github.com/mqyqingfeng/Blog](https

JavaScript深入系列预计写十五篇左右，旨在帮大家捋顺JavaScript底层知识，重点讲解如原型、作用域、执行上下文、变量对象、this、闭包、按值传递、call、apply、bind、new、继承等难点概念。

如果有错误或者不严谨的地方，请务必给予指正，十分感谢。如果喜欢或者有所启发，欢迎star，对作者也是一种鼓励。
如果有错误或者不严谨的地方，请务必给予指正，十分感谢。如果喜欢或者有所启发，欢迎star，对作者也是一种鼓励。