Clear Errors from oracle apex ITEM(s)

Here you want to clear errors of these ITEMs without reloading/refreshing the page using javaScript.

1. Create a button — RESET
2. Create a dynamic action
3. Call this dynamic action on click of this button (RESET)
4. Dynamic Action
   1. Event — CLICK
   2. Selection Type: Button
   3. Button Name: RESET
5. Dynamic Action True Action
   1. Action: Execute JavaScript Code
   2. Setting → Code:
   apex.message.clearErrors(“PX_VALIDITY”);
   apex.message.clearErrors(“PX_PAYMENT”);
   apex.message.clearErrors(“PX_DELIVERY”);