Show specific and hide fields based upon selecting Dropdown Field

Show specific and hide fields based upon selecting Dropdown Field

Hello Zoho Support,

Is it possible to do this show and hide fields based upon a dropdown field on the ticket form? 

https://help.myeg.com.my/portal/en/newticket 

Kindly refer to the gif image below for your information, the example below form is not a Zoho form (Custom form).


Let me know if you have any question, Thank you in advance for your support.