VBCS oj-sample-calendar not able to reset all events

Summary:

VBCS:

On multiple page visits to the calendar page, the calendar fails to work. Ex. i open the calendar page, navigate to other page then come back to calendar page and it fails.

Content (required):

There is an input box, in which user will enter an address. After which the user clicks the submit button. On submit I am sending the address to and API which returns days ex. Garbage=>Tuesday, Thursday=>Recycle, Yard etc. I am creating a date array for the current month like all Tuesdays will display event as Garbage, all Thursdays will display events as Recycle, Yard.