[英]Multiple drop down not working in Jquery
I tried to create a multiple drop down here is the HTML , JS code 我试图创建一个多重下拉列表,这里是HTML,JS代码
<div class="meaaow">
<select style="margin-top:10px;width: 90%;margin-left:5px;" name="3223|887" id="3223" class="pp ProjectType_1" required="" pattern="[^a-zA-Z0-9]">
<option value="0" selected="">Requirements</option>
<option value="Services">Services</option>
<option value="Products" selected="">Products</option>
</select>
<select style="margin-bottom:10px;width: 90%;margin-left:5px;" name="3224|888" id="3224" class="qq SubProjectType_1" required="" pattern="[^a-zA-Z0-9]">
<option value="">Select Category</option>
</select>
<select style="margin-bottom:10px;width: 90%;margin-left:5px;" name="3387|947" id="3387" class="SubsubProjectType_1" required="" pattern="[^a-zA-Z0-9]">
<option value="0">Select Sub Category</option>
</select>
</div>
JS JS
Complete Js on the link 在链接上填写Js
So what I am trying to do is 所以我想做的是
$('.pp').change(function () {
var classNamex = $(this).attr('class');
var pTypeBufr = classNamex.split(' ');
var ptype = pTypeBufr[1].split('_');
var OptIndex = $('option:selected', $(this)).index();
var optionx = "<option value=''>Select Category</option>";
//alert(OptIndex);
if(OptIndex !=4)
{
var SubProject_arr = s_a[OptIndex].split("|");
for (var i = 0; i < SubProject_arr.length; i++) {
optionx += "<option value='" + SubProject_arr[i] + "' >" + SubProject_arr[i] + "</option>";
}
}
if(OptIndex ==1)
$('.SubProjectType_'+ptype[1]).removeClass('qq').addClass('uu').html(optionx);
if(OptIndex ==2)
$('.SubProjectType_'+ptype[1]).removeClass('uu').addClass('qq').html(optionx);
});
and for two different classes I have two function like this 对于两个不同的类,我有两个这样的功能
$('.qq').change(function () {
var classNamex = $(this).attr('class');
var pTypeBufr = classNamex.split(' ');
var ptype = pTypeBufr[1].split('_');
var OptIndex = $('option:selected', $(this)).index();
var optionx = "<option value=''>Select Sub Category</option>";
alert('sssss');
if(OptIndex ==2)
{
var SubProject_arr = t_a[OptIndex].split("|");
for (var i = 0; i < SubProject_arr.length; i++) {
optionx += "<option value='" + SubProject_arr[i] + "' >" + SubProject_arr[i] + "</option>";
}
}
// alert('.SubProjectType_'+ptype[1]);
$('.SubsubProjectType_'+ptype[1]).html(optionx);
});
and for class .uu 和类.uu
$('.uu').change(function () {
var classNamex = $(this).attr('class');
var pTypeBufr = classNamex.split(' ');
var ptype = pTypeBufr[1].split('_');
var OptIndex = $('option:selected', $(this)).index();
var optionx = "<option value=''>Select Sub Category</option>";
alert('im inside uu');
var SubProject_arr = u_a[OptIndex].split("|");
for (var i = 0; i < SubProject_arr.length; i++) {
optionx += "<option value='" + SubProject_arr[i] + "' >" + SubProject_arr[i] + "</option>";
}
// alert('.SubProjectType_'+ptype[1]);
$('.SubsubProjectType_'+ptype[1]).html(optionx);
});
SO basically I am updating the class name of the 2nd drop down , But every time I use 2nd drop down always the function related with .qq
class is only firing 所以基本上我正在更新第二个下拉列表的类名,但是每次我使用第二个下拉列表时,总是会触发与
.qq
类相关的功能
Please help me 请帮我
I can't find class uu
in original HTML, And I see you dynamically toggle class uu
and qq
. 我在原始HTML中找不到类
uu
,而且我看到您可以动态切换类uu
和qq
。
Use event-delegation for events on dynamic content : 对动态内容上的事件使用事件委托:
$(document).on('change', '.pp', function () { .....
$(document).on('change', '.qq', function () { .....
$(document).on('change', '.uu', function () { .....
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