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JavaScript

/**
* Gets the first element of `array`.
*
* @static
* @memberOf _
* @alias head
* @category Array
* @param {Array} array The array to query.
* @returns {*} Returns the first element of `array`.
* @example
*
* _.first([1, 2, 3]);
* // => 1
*
* _.first([]);
* // => undefined
*/
function first(array) {
return array ? array[0] : undefined;
}
module.exports = first;