1  /**
 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;