console_error_removed (#3519)

Canvas_refresh_only_for_defined_activity

setimeout done less

in_do_smaller_also_done

console_statements_removed

console_error_removed

js/activity.js

@@ -1237,7 +1237,9 @@ class Activity {
 
                 this.setSmallerLargerStatus();
             }
-            this.activity.refreshCanvas();
+            if(typeof(this.activity)!="undefined"){
+             this.activity.refreshCanvas();
+            }
             document.getElementById("hideContents").click();
         };
 
@@ -1265,7 +1267,9 @@ class Activity {
             }
 
             this.setSmallerLargerStatus();
-            this.activity.refreshCanvas();
+            if(typeof(this.activity)!="undefined"){
+                this.activity.refreshCanvas();
+               }
             document.getElementById("hideContents").click();
         };