Function at

MathBox/mathbox-bundle.js:38073–38084

* Creates an array of elements from the specified indexes, or keys, of the * `collection`. Indexes may be specified as individual arguments or as arrays * of indexes. * * @static * @memberOf _ * @category Collections * @param {Array|Object|string} collection The co

(collection)

     * // => ['fred', 'pebbles']
     */
    function at(collection) {
      var args = arguments,
          index = -1,
          props = baseFlatten(args, true, false, 1),
          length = (args[2] && args[2][args[1]] === collection) ? 1 : props.length,
          result = Array(length);

      while(++index < length) {
        result[index] = collection[props[index]];
      }
      return result;
    }

    /**
     * Checks if a given value is present in a collection using strict equality