Issue - On Change event is not triggering when a multi-select field is updated on the portal

Navigations :

Access portal Management

Go to Advanced forms

Fill advanced form steps Let say (1,2,3,4,5). From customer JQuery we add advanced form steps

Access portal and when the multi select data type field, based on option value which should shows as hide.

Copilot result for the Ask - The issue with the OnChange event not triggering when a multi-select field is updated on the portal can be due to various factors such as code bugs, event handling configurations, or specific behavior of the multi-select field in the portal environment. To troubleshoot this problem, it is essential to review the event handling logic for the multi-select field, ensure that the OnChange event is correctly configured for multi-select fields, and consider any specific limitations or requirements for triggering events on multi-select fields in the portal environment. Additionally, checking for any known issues or limitations related to multi-select fields and event triggers in the relevant documentation can provide insights into resolving this issue effectively.

Ask : is this possible way ?