Fix: Scroll sidebar to current active section (rust-lang#1067)

lihz6 · Oct 11, 2019 · dae9b5f · dae9b5f
1 parent 2b3304c
commit dae9b5f
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/src/theme/book.js b/src/theme/book.js
@@ -521,10 +521,12 @@ function playpen_text(playpen) {
     }, { passive: true });
 
     // Scroll sidebar to current active section
-    var activeSection = sidebar.querySelector(".active");
-    if (activeSection) {
-        sidebarScrollBox.scrollTop = activeSection.offsetTop;
-    }
+    window.addEventListener('load', function() {
+        var activeSection = sidebar.querySelector(".active");
+        if (activeSection) {
+            activeSection.scrollIntoViewIfNeeded();
+        }
+    });
 })();
 
 (function chapterNavigation() {