Fix ie11 arrow function causing not to show browser detection on demo example

index.html

@@ -325,12 +325,11 @@
         const paramString = location.search.split('?')[1];
         if (paramString) {
           const params = paramString.split('&');
-          const obj = params.reduce((acc, cur, i) => {
+          return params.reduce(function(acc, cur) {
             const [key, value] = cur.includes('=') ? cur.split('=') : [cur, null];
             acc[key] = value;
             return acc;
           }, {});
-          return obj;
         }
         return {};
       }