Rails link_to with remote: true processing html instead of js after page refresh

Question

I have a search page in my app, where there is an ajax search form. The search form works properly, passing parameters to the model to filter the search, and the model returning a collection of results. Upon search submit, @results are rendered on the page. Each @result then has a link to an action on it, like: ``` <%=link_to "Message", message_user_path(:id => user.id), :remote => true%> ``` Where this action in the controller is: ``` respond_to :js, :html def message @user_id = params[:id] @user = User.find_by_id(@user_id) respond_to do |format| format.html format.js end end ``` and this responds with message.js.erb, which triggers a messaging panel to pop up with a message to the user. All of this is working correctly, checking the log I see the correct get request sent, and the correct format being processed: ``` Started GET "/users/3/message" Processing by UsersController#message as JS ``` However, if I refresh the page and try to click the same link that was working before, I ge…

Accepted Answer

Does your `app/assets/javascripts/application.js` contain

```
//= require jquery
//= require jquery_ujs 
```

?

And your erb contains `<%= javascript_include_tag "application" %>`?

I was just struggling with a problem like this for HOURS and the last of those two points fixed it; I saw the first point mentioned in some other questions so I'll repeat it here.

Hope that helps.

(Credit where credit's due)

Rails link_to with remote: true processing html instead of js after page refresh

Solution

Problem