I need to achieve this using HTML, CSS and JavaScript - any help will be great

Question

Do you wish to include designation in the e-form?

Yes

No

If they select Yes, the following question will appear,

Which you want to apply - (Check all that apply)

He/ HimHim

She /Her

TheyThey They/TheirTheir

Other (open(open (openfieldfield to typetype in )

Answer 1

This type of thing can be pretty easily achieved with jquery if that is an option for you, or even with plain javascript. A quick google search brought up this simple example that may help you: http://form.guide/html-form/html-checkbox-events.html You'll want to look at the sections on checkbox click events and on showing/hiding content on click.