It seems like rendering a page dynamically with AJAX in response to a submitted form is common. None of the other similar questions are focused around how to do this in a g
You should use JS views (which have "js.erb" extension), something like "create.js.erb" for create controller action. Then, add format.js
to the respond_to do |format| ... end
block. And add remote: true parameter to your form.
Notice: js.erb should include Javascript code you need to be included, like:
$("tbody#items").append("<%= j render(partial: 'your_partial_path') %>")