code: function _hideHint(stepId) {
      _removeHintTooltip.call(this);
      var hint = this._targetElement.querySelector('.introjs-hint[data-step="' + stepId + '"]');
  
      if (hint) {
          hint.className += ' introjs-hidehint';
      }
  
      // call the callback function (if any)
      if (typeof this._hintCloseCallback !== 'undefined') {
          this._hintCloseCallback.call(this, stepId);
      }
  }
docs: Hide a hint
  
  @api private
  @method _hideHint