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I have my Ajax working, builtin Rails javascript, with the submit button. However, I would like it to submit when I change the value of the dropdown box and eliminate the button. In my research I found what looks like the correct solution but I get no request to the server. Here is my dropdown form code, note it still has the submit button that worked before I added :onchange: <% form_tag('switch_car', :method => :put, :remote => true) do %> <div class="field"> <label>Car Name:</label> <%= select_tag(:id, options_from_collection_for_select(active_cars, "id", "name"), :onchange => ("$('switch_car').submit()"))%><%= submit_tag "Switch Car" %> </div> <% end %> Here is the HTML generated: <form accept-charset="UTF-8" action="switch_car" data-remote="true" method="post"> <div style="margin:0;padding:0;display:inline"> <input name="utf8" type="hidden" value="&#x2713;" /> <input name="_method" type="hidden" value="put" /> <input name="authenticity_token" type="hidden" value="PEbdqAoiik37lcoP4+v+dakpYxdpMkSm7Ub8eZpdF9I=" /> </div> <div class="field"> <label>Car Name:</label> <select id="id" name="id" onchange="$('switch_car').submit()"> <option value="9">Truck</option> <option value="10">Car</option> </select> <input name="commit" type="submit" value="Switch Car" /> </div> Thanks in advance for any help.

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