Prefer ?? over ||

client/src/domain/gameStore.js

@@ -100,7 +100,7 @@ const submitGuess = async selectedPoint => {
         gameId,
         playerId,
         roundNum,
-        selectedPoint || { timeout: true },
+        selectedPoint ?? { timeout: true },
         roundSeconds
       )
     : await sendTimeout(gameId, playerId, roundNum);