比较NaN值在JavaScript中的相等性 [英] Comparing NaN values for equality in Javascript

问题描述

我需要在Javascript中比较两个数字值是否相等。值也可以是 NaN 。
我想出了这个代码：

I need to compare two numeric values for equality in Javascript. The values may be NaN as well. I've come up with this code:

if (val1 == val2 || isNaN(val1) && isNaN(val2)) ...

我。我想让它更简洁。任何想法？

which is working fine, but it looks bloated to me. I would like to make it more concise. Any ideas?

推荐答案

if(val1 == val2 || (isNaN(val1) && isNaN(val2)))

只需添加括号即可向所有人显示。

Nothing to improve. Just add the parentheses to make it clear to everyone.

这篇关于比较NaN值在JavaScript中的相等性的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！