Quiz Yourself: Improve Order Placement

Test your knowledge of the Placement model and validators.

1

How do we permit an array of scalar values like {foo: [{bar: 1}, {bar: 2}] } in the controller?

A)

params.permit(foo: [])

B)

params.permit(foo: [:bar])

C)

params.require(:foo).permit(:bar)

Question 1 of 30 attempted

Get hands-on with 1200+ tech skills courses.