Function addAll

addAll<E>(array?: E[] | null, elements?: E[] | null): E[] | null | undefined
Returns the array that adds all the given elements
Type Parameters
- E
Parameters
- Optionalarray: E[] | null
  The arrays to inspect
- Optionalelements: E[] | null
  The elements to remove
Returns E[] | null | undefined
the array that adds all the given elements
Author
David Hsing
Example
```
addAll(undefined, ['bar']);    // ['bar']
addAll(['foo', 'bar'], undefined);    // ['foo', 'bar']
addAll(['foo', 'bar'], ['world']);    // ['foo', 'bar', 'world']
```