update

server.js

@@ -9,5 +9,5 @@ const port = 3000;
 app.use(express.static("./"));
 app.listen(port, function() {
     console.log("server start");
-    open('http://localhost:' + port + '/index.html');
+    open('http://localhost:' + port + '/examples/useContext.html');
 });

src/base/collection/collection.js

@@ -290,7 +290,7 @@ BI.CollectionView = BI.inherit(BI.Widget, {
         if (scrollx) {
             return true;
         }
-        if (scrollable === true || scrollable === "x") {
+        if (scrollable === true || scrollable === "xy" || scrollable === "x") {
             return true;
         }
         return false;
@@ -306,7 +306,7 @@ BI.CollectionView = BI.inherit(BI.Widget, {
         if (scrolly) {
             return true;
         }
-        if (scrollable === true || scrollable === "x") {
+        if (scrollable === true || scrollable === "xy" || scrollable === "y") {
             return true;
         }
         return false;