openfoodnetwork/public/assets/admin/orders/edit_form.js

$(document).ready(function(){$.each($("td.qty input"),function(a,b){$(b).live("change",function(){var a="#"+$(this).attr("id").replace("_quantity","_id");console.log($(this)),console.log($(a)),jQuery.post("/admin/orders/"+$("input#order_number").val()+"/line_items/"+$(a).val(),{_method:"put","line_item[quantity]":$(this).val()},function(a){$("#order-form-wrapper").html(a.responseText)})})})});