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-rw-r--r--_includes/sidebar/article-menu.html6
1 files changed, 5 insertions, 1 deletions
diff --git a/_includes/sidebar/article-menu.html b/_includes/sidebar/article-menu.html
index 2e273de..3e618ff 100644
--- a/_includes/sidebar/article-menu.html
+++ b/_includes/sidebar/article-menu.html
@@ -36,9 +36,13 @@
// The header element
var header = document.querySelector('header.site-header');
- function doMenuCollapse(index, over_items=20) {
+ function doMenuCollapse(index, over_items) {
var items = menuContent.firstChild.children;
+ if (over_items == undefined) {
+ over_items = 20;
+ }
+
if (items.length < over_items) {
return;
}