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$('.submittable').live('change', function() {
<%= form_for @thing, :remote => true do |f| %>
<%= f.check_box 'checked', :class => 'submittable' %>
<%= f.label :checked %>
<%= %>
<% end %>
class ThingController < ApplicationController
def update
@thing = Thing.find params[:id]
@thing.update_attributes params[:thing]
// we could highlight the checkbox to show it's been clicked:
// or add the updated thing to a list:
$('#things').prepend('<%=escape_javascript render(@thing) %>');

THANK YOU. I have been struggling for hours now to find a simple example on how to do this. You are one of the few people who did not overcomplicate things. I also would like to point out that the "live" method is now deprecated in jQuery. I updated it per the instructions on this page and confirmed that it works. Just a note. Hope you're great, and thanks again!

$(document).on('change', '.submittable', function() {

Absolutely excellent tutorial. I used your tutorial to create the same type of behavior with a dropdown menu instead of a checkbox and it work beautifully! Thank you so much!

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