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-rw-r--r--ext/mixed/js/display.js8
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;