---
title: isNaN
framework: spatial
role: symbol
role_heading: Instance Property
path: spatial/primitive3d/isnan
---

# isNaN

Returns a Boolean value that indicates whether the primitive contains any NaN values.

## Declaration

```swift
var isNaN: Bool { get }
```

## See Also

### Instance properties

- [isFinite](spatial/primitive3d/isfinite.md)
- [isZero](spatial/primitive3d/iszero.md)