code: function _showHint(stepId) {
      var hint = this._targetElement.querySelector('.introjs-hint[data-step="' + stepId + '"]');
  
      if (hint) {
          hint.className = hint.className.replace(/introjs\-hidehint/g, '');
      }
  }
docs: Show a hint
  
  @api private
  @method _showHint