Function trim

trim(text?, emptyAsNull?): string | undefined | null
Returns a string that trimmed from the given string
Parameters
- Optionaltext: null | string
  the string to trim
- OptionalemptyAsNull: boolean
  whether to return null if the trimmed result is empty
Returns string | undefined | null
the trimmed string value from the given string
Example
```
trim("foobar", true);    // 'foobar'
```