Creating a Sort Drop Down in Rails Using Form_With

We’re going to make a simple sort drop down with two options using form_with, a rails form helper. Before we get started, what exactly is form_with and why is it useful? Prior to Rails 5.1, we had only form_for and form_tag form helpers. form_for is used to create and update model object attributes, and requires a model be passed in as an argument. A FormBuilder object is yielded to the variable form in the below code snippet, which allows us to generate fields associated with the attributes of our review instance variable:

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