ActiveRecordHelper class seems intent on
providing the fastest possible path from an ActiveRecord object to an HTML representation.
These methods may be useful for putting together very quick demonstrations or for debugging
purposes, but they aren’t likely to be your best choice for application-building. (In
FormTagHelper are better choices for building
div containing the error message for
a given object and method. You can add text before or after the message.
div containing all the error messages
for a given object. (The documentation suggests that you look at the code and make
your own method if you need something more specific.)
Creates a POST-based form based on the ActiveRecord object, all in one call. You can add extra pieces to the form through a block, but mostly this is good for quick-and-dirty instant forms.
Creates an input element based on the type of the object and method it’s passed. It’s kind of like a field-by-field version of form.