Advanced Stuff

Making cascade fields

the complex situation is like a CRUD on "article" that belongs to a "category" and have multiple "tags" assigned, each tag belongs to many "categories". You need to build some behavior onchange category, to show the only associable tags for the selected category.

this is the way: https://gist.github.com/zofe/39c5d07620b8f7e9371291194d6d8680