final version for testing

assets/js/header.js

@@ -1,11 +0,0 @@
-function header_toggle_nested_menu(element) {
-  if (!element) {
-    throw new Error("Could not find button")
-  }
-  let parent_element = element.parentElement;
-  if(!parent_element) {
-    throw new Error("Could not get parent element from button")
-  }
-  let nested_menu = parent_element.querySelector(".header-nested-menu")
-  nested_menu.classList.toggle('hidden');
-}