Parser error when using jQuery-UJS for remote link_to in Rails 3 app: how can I debug this?

Question

I\'m trying to replace the content of a div after clicking on a link using Rails 3, remote_link :remote => true and jQuery.

So far, I\'ve been able to ge

Answer 1

I was also getting odd parsererrors even though my remote links were correctly pointing to actions with :format => :js and my controller actions were correctly using respond_to to serve up JSON objects like:

respond_to do |format|
  format.js do
    render :json => {:something => "OK"}
  end
end

The solution ended up being just dropping this line into my application.js:

$.ajaxSettings.dataType = "json";

By default, it appeared that jQuery was trying to evaluate all responses as "script", which I guess means it was trying to execute it as code—? Dropping this line in once fixed the issue globally.