function initial(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 0, -1) : [];
    }
Gets all but the last element of `array`.

@static
@memberOf _
@since 0.1.0
@category Array
@param {Array} array The array to query.
@returns {Array} Returns the slice of `array`.
@example

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