instance method `changed`

Ruby on Rails 3.2.22.5

Since v3.0.20

Compare with:

changed()

List of attributes with unsaved changes.

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

Source

# File activemodel/lib/active_model/dirty.rb, line 108
    def changed
      changed_attributes.keys
    end

Defined in activemodel/lib/active_model/dirty.rb line 108 · View on GitHub · Improve this page · Find usages on GitHub

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