respond_with returns unknown format - rails

Question

I am using through AngularJS to send some json, in the controller I have

respond_to :json

def create
    respond_with Task.create(description:         


        

Answer 1

You want your default format to be "json", not "js".

Rails has a list of formats that it is expecting (based on defaults plus you or gems can add additional known response types.) Js is not one of the defaults