# isNaN

### 说明

判断是否为 `NaN`

### 源码

[https://github.com/ddzy/ts-utility-plugins/blob/master/src/ddzy/utility/others/isNaN/index.ts](https://github.com/ddzy/ts-utility-plugins/blob/master/src/ddzy/utility/others/isNaN/index.ts)

### 用法

略
