我还有一个疑问,我已经接近答案了,但没有让它发挥作用。实际上我有一个默认输入文本和默认下拉列表(下拉列表由西孟加拉邦和其他人组成)。现在,如果有人在下拉菜单下单击西孟加拉邦,则默认输入应隐藏,而西孟加拉下拉列表应显示。
下面是我尝试过的代码。任何人都可以请指导我对jQuery有点陌生。
$(document).ready(function() {
$("#state").on("select", function() {
if ($(this).val() ===
"WestBengal") {
$(".otherdistricts").hide();
$(".westbengaldistrict").show();
}
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="col-sm-4">
<div class="form-group">
<select id="state" name="state" class="form-control" required="true" autocomplete="false" style="margin-bottom:10px">
<option value="" disabled="" selected="">Select State</option>
<option value="WestBengal">West Bengal</option>
<option value="Others">Others</option>
</select>
</div>
</div>
<div class="col-sm-4">
<div class="form-group
otherdistricts">
<input class="form-
control form-control-lg" type="text" name="other_district" id="other_district" placeholder="Enter Your District" autocomplete="false">
</div>
<div class="westbengaldistrict" style="display:none">
<select class="form-
control" name="district" id="district" autocomplete="false">
<option value="" selected disabled>Select Your District</option>
<option value="Alipurduar">Alipurduar</option>
<option value="Bankura">Bankura</option>
<option value="PaschimBardhaman">Paschim Bardhaman</option>
<option value="PurbaBardhaman">Purba Bardhaman</option>
<option value="Birbhum">Birbhum</option>
<option value="CoochBehar">Cooch Behar</option>
</select>
</div>
</div>
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