Function trim

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