function dropRight(array, n, guard) {
      var length = array ? array.length : 0;
      n = (guard || n == null) ? 1 : n;
      n = length - (n || 0);
      return slice(array, 0, n < 0 ? 0 : n);
    }
Creates a slice of `array` with `n` elements dropped from the end.

@static
@memberOf _
@type Function
@category Array
@param {Array} array The array to query.
@param {number} [n=1] The number of elements to drop.
@param- {Object} [guard] Enables use as a callback for functions like `_.map`.
@returns {Array} Returns the slice of `array`.
@example

_.dropRight([1, 2, 3], 1);
// => [1, 2]

_.dropRight([1, 2, 3], 2);
// => [1]

_.dropRight([1, 2, 3], 5);
// => []

_.dropRight([1, 2, 3], 0);
// => [1, 2, 3]