Fix #204

assets/js/navbar.js

@@ -1,5 +1,6 @@
 const navbar = document.querySelector('.navbar')
 const toggler = document.getElementById('main-nav-toggler')
+const modeSelectors = document.querySelectorAll('.switch-mode-collapsed')
 
 // set the navbar background color to opaque when scrolling past a breakpoint
 window.onscroll = () => {
@@ -14,3 +15,10 @@ window.onscroll = () => {
 toggler.onclick = () => {
   navbar.classList.toggle('navbar-expanded')
 }
+
+// invoke the navbar toggler for each mode switcher to collapse the main menu afterwards
+for (let i = 0; i < modeSelectors.length; ++i) {
+  modeSelectors[i].onclick = () => {
+    toggler.click()
+  }
+}