Javascript 如何从列表框中获取所选索引值
这是我定制的下拉列表的代码:Javascript 如何从列表框中获取所选索引值,javascript,jquery,html,Javascript,Jquery,Html,这是我定制的下拉列表的代码: <script type="text/javascript"> $(document).ready(function () { var source = [ "Alappuzha","Eranakulam","Idukki" ]; // Create a DropDownList $("#Widget").jqxDropDownList({autoOpen
<script type="text/javascript">
$(document).ready(function () {
var source = [ "Alappuzha","Eranakulam","Idukki" ];
// Create a DropDownList
$("#Widget").jqxDropDownList({autoOpen: true, source: source, selectedIndex: 1, width: '241', height: '30'});
});
</script>
<div id='Widget' >
</div>
如何使用javascript从上述列表框中获取所选索引值?您可以使用jqxDropDownList小部件的API:
var selectedIndex = $('#Widget').jqxDropDownList('selectedIndex');
我尝试过var b=document.getElementByIdWidget;如果b[b.selectedIndex].value==Alappuzha{AlertThat's correct;}……但是没有用你试过阅读文档吗?thanx先生:那么我怎样才能得到所选的索引值?例如:Alappuzha或Idukki你可以通过source[selectedIndex]@Nik.获得它。很抱歉,我没有得到你: