aswi2020vldc-gitlab/templetes/node_modules/lodash/head.js @ 5fded919
1 | 3a515b92 | cagy | /**
|
---|---|---|---|
2 | * Gets the first element of `array`.
|
||
3 | *
|
||
4 | * @static
|
||
5 | * @memberOf _
|
||
6 | * @since 0.1.0
|
||
7 | * @alias first
|
||
8 | * @category Array
|
||
9 | * @param {Array} array The array to query.
|
||
10 | * @returns {*} Returns the first element of `array`.
|
||
11 | * @example
|
||
12 | *
|
||
13 | * _.head([1, 2, 3]);
|
||
14 | * // => 1
|
||
15 | *
|
||
16 | * _.head([]);
|
||
17 | * // => undefined
|
||
18 | */
|
||
19 | function head(array) { |
||
20 | return (array && array.length) ? array[0] : undefined; |
||
21 | }
|
||
22 | |||
23 | module.exports = head; |