Fix issue with mark-all-as-read-button in anonym. mode (#3944)

* fix

* Update p/scripts/main.js

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

1 files changed, 4 insertions, 3 deletions

diff --git a/p/scripts/main.js b/p/scripts/main.js
index 0a828f04c..f7a4d17f3 100644
--- a/p/scripts/main.js
+++ b/p/scripts/main.js
@@ -1546,11 +1546,12 @@ function load_more_posts() {
 		formPagination.replaceChild(paginationNew, paginationOld);
 
 		const bigMarkAsRead = document.getElementById('bigMarkAsRead');
-		if (bigMarkAsRead) {
+		const readAll = document.querySelector('#nav_menu_read_all .read_all');
+		if (readAll && bigMarkAsRead && bigMarkAsRead.formAction) {
 			if (context.display_order === 'ASC') {
-				document.querySelector('#nav_menu_read_all .read_all').formAction = bigMarkAsRead.formAction;
+				readAll.formAction = bigMarkAsRead.formAction;
 			} else {
-				bigMarkAsRead.formAction = document.querySelector('#nav_menu_read_all .read_all').formAction;
+				bigMarkAsRead.formAction = readAll.formAction;
 			}
 		}