mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-01-29 06:27:49 +00:00
33 lines
810 B
JavaScript
33 lines
810 B
JavaScript
/**
|
|
* lodash 4.0.1 (Custom Build) <https://lodash.com/>
|
|
* Build: `lodash modularize exports="npm" -o ./`
|
|
* Copyright jQuery Foundation and other contributors <https://jquery.org/>
|
|
* Released under MIT license <https://lodash.com/license>
|
|
* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
|
|
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
|
|
*/
|
|
|
|
/**
|
|
* 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;
|