instance method `changed`

Ruby on Rails 4.2.11.3

Since v3.0.20

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changed()

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

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

Source

# File activemodel/lib/active_model/dirty.rb, line 141
    def changed
      changed_attributes.keys
    end

Defined in activemodel/lib/active_model/dirty.rb line 141 · View on GitHub · Improve this page · Find usages on GitHub

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