Hum sounds like a solution =D. And I just asking myself what to do with the add and remove button of repeater fields … Perfect !
In my case, field is disabled when “prepare_field” because I don’t know how much field I have and which permission is associated to (it’s set in the Edit Fields screen, with the settings fields I added) but I can add specific class during “prepare_field” and add the Javascript after with class selector.
I’ll try …
