Question

我正在使用数据attr来选择，我想根据第一个select的data属性进行过滤。这是我的代码，请让我知道什么？请原谅我代码的混乱，我是一个javascript / Jquery noob

html块/////////

<select id="selectOne">
                    <option data-team='{"team":"Engineering"}'>Engineering </option>
                    <option   data-team='{"team": "Software"}'>Software Development</option>
                    <option data-team='{"team": "HumanResources"}'>Human Resources</option>
                    <option  data-team='{"team": "MarkettingAndSales"}'>Marketting and Sales</option>
                    <option  data-team='{"team": "Administrative"}'>Administrative</option>
                    <option  data-team='{"team": "Others"}' class="others">Others</option>
                </select>

                <select id="selectTwo">
                    <option  class="two" data-Speciality='{"team": "Software", "Speciality": "WebDevelopment"}'>Web Development </option>
                    <option  class="two" data-Speciality='{"team": "Engineering", "Speciality": "WebApplication"}'>Application Development </option>
                    <option  class="two" data-Speciality='{"team": "Software", "Speciality": "WebDevelopment"}'>UI/UX Design</option>
                    <option  class="two" data-Speciality='{"team": "Others", "Speciality": "ScientificResearch"}'>Scientific / Research</option>
                    <option  class="two" data-Speciality='{"team": "Engineering", "Speciality": "ScientificResearch"}'>Computer Hardware / Networking</option>
                    <option class="two" data-Speciality='{"team": "Others", "Speciality": "Others"}'>Others</option>
                </select>

$(function(){
    // function to use ajax calls to filter the table data depending on the select forms value
            $("#selectOne").change(function() {
                $("#selectTwo").hide();
                var selected = $(this).find('option:selected');
                $('#selectTwo option [data-team===selected]').show();



            console.log( $(selected).data('team') );

            //the filtering mechanism based on the class
         });

///显然我没有得到第二个选择的值任何线索为什么？

$(function(){
    // function to use ajax calls to filter the table data depending on the select forms value
        $("#selectOne").change(function() {
    var selected=$(this).find('option:selected').data('team').teamName;
    console.log(selected);
    var selectTwo= $('#selectTwo').val().data('Speciality').team;
     console.log(selectTwo);

})

Answer 1

您无法显示/隐藏option，至少不会在每个浏览器中显示。

你必须主动操作DOM，即根据你的过滤器逻辑删除和添加元素，你最终只会遇到简单的jQuery。

如果你需要这样的功能，我会选择任何与UI客户端数据分离的东西：here you can find很多解决方案。

Answer 2

我想，你想要的是：

var selected = $(this).val();    
$('#selectTwo').val(selected).show();

不确定您的期望。

Jquery链接选择任何线索我做错了什么？

2 个答案: