# animate-height

> Animate the height of an element to 'auto' or '0px'.

## Install

**CDN**

```html
<script src="https://unpkg.com/animate-height"></script>
```

**Node**

```bash
npm install animate-height --save # or yarn add animate-height
```

## Usage

### Animate to auto

```js
import { autoHeight } from 'animate-height'

const el = document.querySelector('#example')

const height = await autoHeight(el, {
  duration: 250,
  timing: 'cubic-bezier(.91, .06, .08, .93)',
})

console.log(`Element has a height of ${height}px.`)
```

### Animate to 0px

```js
import { zeroHeight } from 'animate-height'

const el = document.querySelector('#example')

await zeroHeight(el, {
  duration: 500,
  timing: 'ease-out',
})
```

### Default options

```js
autoHeight(el, {
  duration: 300, // Transition duration
  timing: 'ease', // CSS transition timing function
})
```