docs: function splice(index, howMany, element1) {
      /* jshint validthis:true */
      var result,
          i;
  
      result = this._sortedArray.splice.call(this, index, howMany);
  
      for (i = 2; i < arguments.length; i++) {
          pushSingle(this, arguments[i]);
      }
  
      return result;
  }