docs: function () {
              var documentContainer = document.querySelector('.document-container');
              if (documentContainer.classList.contains('backdrop-hidden')) {
                  documentContainer.classList.remove('backdrop-hidden');
                  documentContainer.style.display = 'none';
              }
              if (this.classList.contains('chart-hidden')) {
                  this.classList.remove('chart-hidden');
                  this.style.display = 'none';
              }
          }