First
Returns the first element of an array.
| Category | Arrays |
| Author | Pol Gubau |
| Since | 1.0.0 |
| Last Updated | 2025-03-15 |
| Type | Sync |
| Compatibility | Universal |
Example
Input
first([1, 2, 3])Output:
1
Return
The first element of the array or `undefined` if the array is empty.
Type: T | undefined
Props
| Name | Type | Default | Required | Description |
|---|---|---|---|---|
| arr | T[] | null | Yes | The array to get the first element from. |
Notes
Returns `undefined` if the array is empty.
Tags
- array
- first
- element