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Asked: 2026-05-22T21:02:34+00:00

I just had a general doubt which I wanted to clear wrt Rails. I

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I just had a general doubt which I wanted to clear wrt Rails. I am currently working on Rails 2.0.2 for project specific purposes and I had a doubt especially related to this version of Rails.

I did a basic scaffold in my rails app on “posts”.. something like ruby script/generate scaffold posts . This created a posts.html.erb file for me in my app/views/layouts .. I have seen in many blogs/screen casts they say when we add Javascript(JS) files like for e.g. those implementing jquery etc. we need to make include the necessary files in our "application.html.erb"files.. Now since I don’t have anything exactly coined as such in my app.. does Rails by default take my posts.html.erb in my layouts as the equivalent application.html.erb..?

Or is that I need to explicitly create application.html.erb in my rails app?

My main concern behind this question is that would JS files be included in case if I have something like posts.html.erb or is that.. it should be done only in the application.html.erb..

Thank you..

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1 Answer

  1. Editorial Team

    does Rails by default take my posts.html.erb in my layouts as the equivalent application.html.erb..?

    Yes. For the PostsController it will (by convention) take layouts/posts.html.erb as the overall layout template.

    If you remove this file it will fall back to the layouts/application.html.erb layout.

    My main concern behind this question is that would JS files be included in case if I have something like posts.html.erb or is that.. it should be done only in the application.html.erb..

    You would have to include all necessary JS/CSS in each layout, as there is no layout inheritance.

    If you want multiple layouts you can refactor out sections into partials (eg: for the <head> bit).

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