Function allFalse

allFalse(values?): boolean
Returns whether all the given elements are false
Parameters
- Optionalvalues: (
      | undefined
      | null
      | string
      | number
      | boolean)[]
  the elements to check
Returns boolean
whether all the given elements are false
Example
```
allFalse([null, undefined]);    // false
allFalse([null, false]);    // false
allFalse([false, false]);    // true
```