# autoHeight

Calculates row height from cell content. Review costs with virtualization and large data sets.

Canonical: https://grid.syidax.com/docs/columns/autoHeight/

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## What does this API do?

Calculates row height from cell content. Review costs with virtualization and large data sets.

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## Exact input and result types

```typescript
autoHeight?: boolean
```

| Item | Value |
| --- | --- |
| Required | Optional |
| Input type | boolean |

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## Usage flow

Set this on an individual column object in columnDefs. Pass arrays, objects, and callbacks through JavaScript, and use new arrays or objects when applying changes.

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## Feature explanations and examples

- [Large data sets](https://grid.syidax.com/docs/features/virtualization.md) — Virtualization renders only row and column DOM needed near the viewport. It is separate from row models that fetch only part of the data from a server.