laravel-help-line/Java script calculation dynamic add row value at master · islamyearul/laravel-help-line · GitHub

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// value Calculation ( dynamic add row value and delete row remove value from total)

// table
<table class="table input_field" id="calculation">
    <tr>
        <input type="hidden" name="row_no" id="row_no" value="1">
        <td style='width:50%'>
            <input type='text' name='items[]' class='form-control' placeholder="Items">
        </td>
        <td>
            <input type='number' name='price[]' class='form-control item_price' placeholder="Price">
        </td>
        <td>
            <button class='btn btn-success btn-sm add_field' type="button"><i class="fa fa-plus-square"></i></button>
        </td>
    </tr>
</table>

// Table dynamic add row or delete
    $(document).ready(function() {
        var max_field = 10;
        var wrapper = $(".input_field");
        var add_field = $(".add_field");
        var i = 1;
        $(add_field).click(function(e) {
            e.preventDefault();
            if (i < max_field) {
                i++;
                $("#row_no").val(i);
                $(wrapper).append("<tr>\
                                       <td style='width:50%'>\
                                               <input type='text' name='items[]' class='form-control' placeholder='Items'>\
                                        </td>\
                                        <td>\
                                                <input type='number' name='price[]' class='form-control item_price' placeholder='Price'>\
                                        </td>\
                                        <td>\
                                                <button class='btn btn-danger btn-sm remove_field'><i class='fa fa-trash'></i></button>\
                                        </td>\
                                    </tr>");
            }
        });
        $(wrapper).on("click", ".remove_field", function(e) {
            e.preventDefault();
            $(this).closest('tr').remove();
            i--;
            $("#row_no").val(i);
        });
    });
    </script>

    // Create Calculation in J query
               $('#calculation').on("keyup", ".item_price", function () {

                var sum = 0;

                $('.item_price').each(function () {
                    sum += Number($(this).val());
                });

                $('#Item_total_price').html(sum);
                console.log(sum);

                });

    // delete row remove value from total
     add following code in delete row j query code

     $(wrapper).on("click", ".remove_field", function(e) {
            e.preventDefault();
            $(this).closest('tr').remove();
            i--;

            var sum = 0;

                $('.item_price').each(function () {
                    sum += Number($(this).val());
                });

                $('#Item_total_price').html(sum);
                console.log(sum);
        });