Try to get JS working

SiaDrive/res/code.js

@@ -0,0 +1,17 @@
+
+
+function setAvailableDrives(driveList) {
+    alert(driveList[0]);
+    var sel = document.getElementById("MountDrives");
+    sel.innerHTML = "";
+
+    for (var i in driveList) {
+        if (driveList.hasOwnProperty(i)) {
+            var drive = driveList[i];
+            var option = document.createElement("option");
+            option.innerText = drive + ":";
+            sel.appendChild(option);
+        }
+    }
+}
+