Question: How do I mix Ruby and Javascript in application.js

How can I get rails to process and serve application.js.erb instead of
application.js?

I want to mix Ruby and Javascript code in the file. I am building
Javascript arrays from data that i keep in a Rails model and the
arrays are static.

Create application.js.erb and put it in views/js/

then you

render :partial => ‘js/application.js.erb’, :locals => {:data => @your_data}

and use variable ‘data’ in your partial like