ubique
Version:
A mathematical and quantitative library for Javascript and Node.js
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Markdown
### isnan
True only for NaN input
#### Syntax
ubique.isnan(x)
#### Description
True only for NaN input. For [null,true,'hello',5,{},undefined,'NaN'] returns False.
#### Arguments
|Params|Type|Description
|---------|----|-----------
|`x` | NaN | element
#### Examples
```js
ubique.isnan(NaN);
// true
```