Question

我有一组同名的复选框。用户需要选择至少一个复选框，如果＆＃34;其他＆＃34;被选中，＆＃34; Promotion_Others＆＃34;文本框是强制性的。

我不知道如何使用所有具有相同名称的复选框执行此操作。

<input type="checkbox" name="Prefer_Promotion[]" value="food_and_beverages_discounts" >Food & beverages discounts</label>
<input type="checkbox" name="Prefer_Promotion[]" value="complimentary_hotel_facilities">Complimentary hotel facilities</label>
<input type="checkbox" name="Prefer_Promotion[]" value="complimentary_gym_access">Complimentary gym access</label>
<input  type="checkbox" name="Prefer_Promotion[]" value="others">Others</label>
<input type="text" class="form-control" name="Promotion_Others" value="" maxlength="50"/>

Answer 1

<html>
    <head>
        <script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
        <script>
            $(document).ready(function () {
                $('#mysubmit').click(function () {
                    if ($('input[type=checkbox]').is(':checked')) {
                        // atleast one checkbox checked, do something...
                        // now check seleted is othere

                        $('input[type=checkbox]input:checkbox:checked').each(function () {
                            var value = $(this).attr('value');
                            if ('others' === value) {

                                var others_value = $('.form-control').val();
                                if (!others_value) {
                                    alert('Please fill text field');
                                    return false;
                                } else
                                    return true;
                            }
                        });
                    }
                });

            });

        </script>
    </head>
    <body>
        <form id="myform">
            <input type="checkbox" name="Prefer_Promotion[]" value="food_and_beverages_discounts" >Food & beverages discounts</label>
            <input type="checkbox" name="Prefer_Promotion[]" value="complimentary_hotel_facilities">Complimentary hotel facilities</label>
            <input type="checkbox" name="Prefer_Promotion[]" value="complimentary_gym_access">Complimentary gym access</label>
            <input  type="checkbox" name="Prefer_Promotion[]" value="others">Others</label>
            <input type="text" class="form-control" name="Promotion_Others" value="" maxlength="50"/>
            <input type="button" value="submit" id="mysubmit"/>
        </form>
    </body>
</html>

试试这个代码段。评论是否需要帮助

如果选中特定复选框，则强制使用文本框（复选框组）

1 个答案: