1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
| /**
| * Gets the first element of `array`.
| *
| * @static
| * @memberOf _
| * @since 0.1.0
| * @alias first
| * @category Array
| * @param {Array} array The array to query.
| * @returns {*} Returns the first element of `array`.
| * @example
| *
| * _.head([1, 2, 3]);
| * // => 1
| *
| * _.head([]);
| * // => undefined
| */
| function head(array) {
| return (array && array.length) ? array[0] : undefined;
| }
|
| module.exports = head;
|
|