Attempt to fix reference error.

apps/berlinc/berlin-clock.js

@@ -8,12 +8,12 @@ const rowHeight = height / 4;
 
 var show_date = false;
 var show_time = false;
+var yy = 0;
 
 rowlights = [];
 time_digit = [];
 
 function drawBerlinClock() {
-  try {
   g.clear();
   var now = new Date();
   
@@ -71,10 +71,6 @@ function drawBerlinClock() {
       }
     }
   }
-} catch (e) {
-  console.log(e)
-  console.trace()
-}
 }
 
 function toggleDate() {