Adding form controls at run time

Adding form controls at run time

So what if I want the user to be able to duplicate a set of controls at runtime in a Service Request template? 

Say I have four fields, Name, Age, Level (pick list), Grade. I want them to be able to add another set for a second person, and a third and so on. Something like a repeating region in other apps.

Possible maybe with Javascript?

Alternatively, is it possible to refine a table I add in the description section using width, border-collapse, background color of a cell, font color, etc.

Thanks