From 68f45f6b81495e2ea8d6026452af9626c89afbb4 Mon Sep 17 00:00:00 2001
From: Fabio Fenoglio <development@fabiofenoglio.it>
Date: Tue, 7 Dec 2021 08:34:53 +0100
Subject: [PATCH] fixed "show-more-btn" toggle logic

---
 static/js/main.js | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/static/js/main.js b/static/js/main.js
index d1c3689..0abca1a 100644
--- a/static/js/main.js
+++ b/static/js/main.js
@@ -164,12 +164,9 @@ function toggleCourseVisibility(elem) {
     }
   }
 
-  // toggle the current button visibility
-  elem.classList.toggle("hidden");
-  // toggle the alternate button visibility
-  if  (elem.id === "show-more-btn"){
-    document.getElementById("show-less-btn").classList.toggle("hidden");
-  }else{
-    document.getElementById("show-more-btn").classList.toggle("hidden");
+  // toggle the buttons visibility
+  let buttonsToToggle = elem.parentNode.getElementsByClassName("show-more-btn");
+  for (var i = 0; i < buttonsToToggle.length; i++) {
+    buttonsToToggle[i].classList.toggle("hidden");
   }
 }