* guard against undefined SessionRemoveAllPlayTracks

2014-08-31 15:23:42 -05:00 · 2014-08-31 15:23:42 -05:00 · 0132fa38b0
parent e503287400
commit 0132fa38b0
1 changed files with 4 additions and 1 deletions
--- a/web/app/assets/javascripts/session.js
+++ b/web/app/assets/javascripts/session.js
@ -1464,7 +1464,10 @@

            // make sure no previous plays are still going on by accident
            context.jamClient.SessionStopPlay();
-            context.jamClient.SessionRemoveAllPlayTracks();
+            if(context.jamClient.SessionRemoveAllPlayTracks) {
+              // upgrade guard
+              context.jamClient.SessionRemoveAllPlayTracks();
+            }
        };