Shulou(Shulou.com)06/01 Report--

This article mainly introduces JavaScript how to judge the range of values when using switch/case, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

Use switch/case when determining the range of values

In the following cases, it is reasonable to use switch/case to determine the range of values:

Function getCategory (age) {var category = ""; switch (true) {case isNaN (age): category = "not an age"; break; case (age > = 50): category = "Old"; break; case (age)

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