diff options
Diffstat (limited to 'ext/mixed/js')
| -rw-r--r-- | ext/mixed/js/display.js | 8 | 
1 files changed, 4 insertions, 4 deletions
| diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js index 2b3ea21c..b43b4dca 100644 --- a/ext/mixed/js/display.js +++ b/ext/mixed/js/display.js @@ -97,7 +97,6 @@ class Display extends EventDispatcher {          this._contentScrollElement = document.querySelector('#content-scroll');          this._contentScrollBodyElement = document.querySelector('#content-body');          this._windowScroll = new WindowScroll(this._contentScrollElement); -        this._contentSidebar = document.querySelector('#content-sidebar');          this._closeButton = document.querySelector('#close-button');          this._navigationPreviousButton = document.querySelector('#navigate-previous-button');          this._navigationNextButton = document.querySelector('#navigate-next-button'); @@ -1074,9 +1073,10 @@ class Display extends EventDispatcher {      }      _updateNavigation(previous, next) { -        if (this._contentSidebar !== null) { -            this._contentSidebar.dataset.hasNavigationPrevious = `${previous}`; -            this._contentSidebar.dataset.hasNavigationNext = `${next}`; +        const {documentElement} = document; +        if (documentElement !== null) { +            documentElement.dataset.hasNavigationPrevious = `${previous}`; +            documentElement.dataset.hasNavigationNext = `${next}`;          }          if (this._navigationPreviousButton !== null) {              this._navigationPreviousButton.disabled = !previous; |