fix #351

src/js/A.js

@@ -107,7 +107,7 @@ A.aladin = function (divSelector, options) {
     }
     
     let theme;
-    if (options.mode) {
+    if (options && options.mode) {
         let mode = options.mode.toLowerCase();
 
         if (mode === 'dark' || mode === 'light') {

src/js/Aladin.js

@@ -475,8 +475,6 @@ export let Aladin = (function () {
                 hipsObj["name"] = name;
             }
 
-            console.log(hipsObj)
-
             // Merge what is already in the cache for that HiPS with new properties
             // coming from the MOCServer
             this.hipsFavorites.push(hipsObj);