These methods make it easier for views to identify components referring to Rails objects when building HTML or RJS:
dom_class
Creates a value suitable for a class
attribute that is the singular
form of the object name.
dom_id
Creates a value suitable for an id
attribute that is the singular form
of the object name plus _
and
the object’s id
value.
partial_path
Creates a value containing
plural/singular
form of an object’s
name, like turtles/turtle
or
people/person
.