Accessing Nested Id Information - Form That Allows For Dynamic Field Creation

I have a form that allows for dynamic field creation. Basically, you click the + button, and an addition row of fields (2 text fields) are created. The area that is dynamically created is wrapped by a <div id>, within which is, and this might be bad practice so please feel free to mock me , another few nested div id's. It looks something like this:

Code:

Each time you hit the +, it creates a new div id beneath the "Adds" id.

What I'd like to do is see the values of the id's "row_fqdn" and "row_ip". Is there a quick way to access the values of nested id's?

I found a workaround but it seems pretty messy and drawn out, something like this:

Code:

I'm looking for a way to do something like this:

Code:

But that doesn't work.