fix exception when navigating decks on mobile browsers #3539

hakimel · Nov 30, 2023 · bf285af · bf285af
1 parent 9d491c6
commit bf285af
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Showing 5 changed files with 6 additions and 6 deletions.
diff --git a/dist/reveal.esm.js b/dist/reveal.esm.js
diff --git a/dist/reveal.esm.js.map b/dist/reveal.esm.js.map
diff --git a/dist/reveal.js b/dist/reveal.js
diff --git a/dist/reveal.js.map b/dist/reveal.js.map
diff --git a/js/controllers/scrollview.js b/js/controllers/scrollview.js
@@ -801,8 +801,8 @@ export default class ScrollView {
 		if( page.active ) {
 
 			page.active = false;
-			page.slideElement.classList.remove( 'present' );
-			page.backgroundElement.classList.remove( 'present' );
+			if( page.slideElement ) page.slideElement.classList.remove( 'present' );
+			if( page.backgroundElement ) page.backgroundElement.classList.remove( 'present' );
 
 		}