method

*_change

Importance_1
Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: ActiveModel::Dirty
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  • What's this?
*_change public

This method is generated for each attribute.

Returns the old and the new value of the attribute.

person = Person.new
person.name = 'Nick'
person.name_change # => [nil, 'Nick']
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