Restore iframe scroll position

Restores iframe scroll position when `useIframeResizer` is `false` and the template has smooth scrolling enabled. Fixes #14218 h/t @MoritzLost
craftcms · Apr 10, 2024 · 4c1729c · 4c1729c
1 parent 6cefd4d
commit 4c1729c
Showing 1 changed file with 4 additions and 11 deletions.
diff --git a/src/web/assets/cp/src/js/Preview.js b/src/web/assets/cp/src/js/Preview.js
@@ -695,17 +695,10 @@ Craft.Preview = Garnish.Base.extend(
             $iframe.on('load', () => {
               this.iframeLoaded = true;
               if (!resetScroll && sameHost) {
-                if (this.scrollTop !== null) {
-                  $($iframe[0].contentWindow.document).scrollTop(
-                    this.scrollTop
-                  );
-                }
-
-                if (this.scrollLeft !== null) {
-                  $($iframe[0].contentWindow.document).scrollLeft(
-                    this.scrollLeft
-                  );
-                }
+                $iframe[0].contentWindow.scrollTo(
+                  this.scrollLeft || 0,
+                  this.scrollTop || 0
+                );
               }
             });
           }