Hi-Lo (JavaScript): Accept 'yes' in any capitalization (#690)

Author: Jay-0331

47_Hi-Lo/javascript/hi-lo.js

@@ -86,6 +86,7 @@ async function main()
         print("\n");
         print("PLAY AGAIN (YES OR NO)");
         str = await input();
+        str = str.toUpperCase();
         if (str != "YES")
             break;
     }