Function capitalizeFirstLowerTail

capitalizeFirstLowerTail(text?: null | string): undefined | null | string
Returns the first letter uppercase and others lowercase representation of the given string
Parameters
- Optionaltext: null | string
  the source string to check
Returns undefined | null | string
the letter uppercase and others lowercase representation of the given string
Author
David Hsing
Example
```
capitalizeFirstLowerTail('fooBar');    // 'Foobar'
```