form purchase request/ page js

$(document).ready(function(){
                var count = 1;
                $('#add').click(function(){
                    var html_code = "<tr id='row"+count+"'>";
                            html_code += "<td contenteditable='true' class='sku'></td>";
        html_code += "<td contenteditable='true' class='kode_produk'></td>";
        html_code += "<td contenteditable='true' class='nama_produk'></td>";
        html_code += "<td contenteditable='true' class='jumlah'></td>";
        html_code += "<td contenteditable='true' class='harga'></td>";
                    html_code += "<td><center><button type='button' name='remove' id='remove' data-row='row"+count+"' class='btn btn-danger btn-sm remove fa fa-minus'></button></center></td>";
                    html_code += "</tr>";
                    count = count + 1;
                    $('#item_table').append(html_code);
                });
                $(document).on('click', '.remove', function(){
                    var delete_row = $(this).data("row");
                    $('#' + delete_row).remove();
                });

                $('#save').click(function () {
                    var kode_ref = document.getElementById("kode_ref").value;
                    var kode_supplier = document.getElementById("kode_supplier").value;
                    var kode_gudang = document.getElementById("kode_gudang").value;
                    var tanggal_pemesanan = document.getElementById("tanggal_pemesanan").value;
                    var catatan = document.getElementById("catatan").value;
                    var nama_perusahaan = document.getElementById("nama_perusahaan").value;
                    var status_request = document.getElementById("status_request").value;
                    var sku = [];
                    var kode_produk = [];
                    var nama_produk = [];
                    var jumlah = [];
                    var harga = [];

                    $('sku').each(function() {
                        sku.push($(this).text());
                    });

                    $('kode_produk').each(function() {
                        kode_produk.push($(this).text());
                    });

                    $('nama_produk').each(function() {
                        nama_produk.push($(this).text());
                    });

                    $('jumlah').each(function() {
                        jumlah.push($(this).text());
                    });

                    $('harga').each(function() {
                        harga.push($(this).text());
                    });

                    $.ajax({
        url: "pageproses/form_purchase_request.php?kode_ref="+kode_ref+
        "&kode_supplier="+kode_supplier+
        "&kode_gudang="+kode_gudang+"&tanggal_pemesanan="+tanggal_pemesanan+
        "&catatan="+catatan+
        "&nama_perusahaan="+nama_perusahaan+"&sku="+sku+"&nama_produk="+nama_produk+
        "&kode_produk="+kode_produk+"&jumlah="+jumlah+"&harga="
        +harga+"&status_request="+status_request,
        success: function(result) {
            $("td[contenteditable='true']").text("");
            for(var i= 2; i<=count; i++){
                $('tr#'+i+'').remove();
            }
            $("#berhasil").html(result);
        }
    });
                });

            });