splitting all js into individual files to comparmentalize and getting rid of onload event (in favour of defer)

HaWeb/wwwroot/js/upload.js

@@ -0,0 +1,22 @@
+const hideshowfiles = function() {
+    let elem = document.getElementById("ha-availablefileslist");
+    if (elem.classList.contains('hidden')) {
+        
+        elem.classList.remove('hidden');
+        elem.classList.add('block');
+    }
+    else {
+        elem.classList.add('hidden');
+        elem.classList.remove('block');
+    }
+    }
+
+    function getCookie(name) {
+    var value = "; " + document.cookie;
+    var parts = value.split("; " + name + "=");
+    if (parts.length == 2) return parts.pop().split(";").shift();
+}
+
+var filesbutton = document.getElementById("ha-availablefiles");
+if (filesbutton !== null)
+    filesbutton.addEventListener("click", () => hideshowfiles());