# `useTween`
React animation hook that tweens a number between 0 and 1.
## Usage
```jsx
import {useTween} from 'react-use';
const Demo = () => {
const t = useTween();
return (
Tween: {t}
);
};
```
## Reference
```ts
useTween(easing?: string, ms?: number, delay?: number): number
```
Returns a number that begins with 0 and ends with 1 when animation ends.
- `easing` — one of the valid [easing names](https://github.com/streamich/ts-easing/blob/master/src/index.ts), defaults to `inCirc`.
- `ms` — milliseconds for how long to keep re-rendering component, defaults to `200`.
- `delay` — delay in milliseconds after which to start re-rendering component, defaults to `0`.