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changed

changed()

Instance Public methods

Returns an array with the name of the attributes with unsaved changes.

person.changed # => []
person.name = 'bob'
person.changed # => ["name"]

Links:

https://github.com/rails/rails/blob/b8302bcfdaec2a9e7658262d6feeb535c572922d/activemodel/lib/active_model/dirty.rb#L118

doc_ruby_on_rails

2015-06-20 00:00:00

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