time-to-botec

Benchmark sampling in different programming languages
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head.js (415B)

      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;