I wanted to put flags and codes onto a Marketo Form like this: jQuery International Telephone Input With Flags and Dial Codes | Free jQuery Plugins
Is this possible within Marketo.
It'll work fine. Did you test it?
Just initialize the telephone field plugin after you initialize the form (naturally) in the form's ready function:
<script>MktoForms2.loadForm("//app-zz01.marketo.com", "AAA-BBB-CCC", 999,