# falsy```js// usageschance.falsy()chance.falsy({pool:[NaN,undefined]})```
Return a random falsy value (`false`, `null`, `undefined`, `0`, `NaN`, `''`).
```jschance.falsy();=>false```
The default pool can be changed to better meet the needs:
```jschance.falsy({pool:[NaN,undefined]});=>NaN```