Submit list as parameter array in Rails 4 form, adding params values to params hash using javascript

Question

I have a Rails 4 form that builds a list of parts using AJAX on the form page. Once the list of parts is built in the

I want to submit the list as an

Answer 1

You have to remember Rails doesn't care about HTMl, so when you mention you want to send "

list as params", it's got nothing to do with the
, but how you're porting those items into Rails

---

Routes

The most robust way to do this is to use a route, and pass the params through JS to it:

#config/routes.rb
post "your_route(/:items)", to: "controller#action"

#app/views/parts/index.html.erb
 

     
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 <%= link_to "Submit", class: "submit_link" %>

#app/assets/application.js.erb
$("a.submit_link").on("click", function() { 
    var data = jQuery('#serv_parts_list li').map(function(){
         return 'id[]=' + this.id.match(/(\d+)$/)[1]
    }).get()

    $.ajax ({
       url: "your_route",
       data: data.join('&')
       success: function(data) {
           //success
       },
       error: function(data) {
           //error
       }
    });
});