Validation function is not working in Identity Portal field

Products

• CA Identity Suite

Issue/Introduction

Followed the documentation model as per the link: Hotel Reservation Form Example but the validation function is not working in Identity Portal field 

Environment

Identity Portal 14.5 in Vapp

Cause

The cause of issue is because the sample provided was not returning true or false.

Resolution

Use the Browser Developer tool (pressing f12) ana analyze the function if returning true or false.
If not returning false or true can adapt the code to use fetch in place of if function