html - 下拉菜单打不开

Question

我想弄清楚为什么我的下拉菜单不起作用。它确实出现了，但是当我点击它时，它并没有下降。任何帮助将不胜感激，谢谢!我想弄清楚为什么我的下拉菜单不起作用。它确实出现了，但是当我点击它时，它并没有下降。任何帮助将不胜感激，谢谢!

<div class="form-group row">
<label for="location" class="col-sm-3 control-label">Job Location</label>
<div class="col-sm-9">
<select id="location" name="job_location" multiple="" data-placeholder="Enter city and country or leave it blank" class="form-control form-control-chosen jform-chosen-validate" style="display: none;">

<option value="aichach">Aichach</option>
<option value="allende">Allende</option>
<option value="atlanta">Atlanta</option>
<option value="bangalore">bangalore</option>
<option value="berlin">Berlin</option>
<option value="bristol">bristol</option>
<option value="calgary">Calgary</option>
<option value="california">California</option>
<option value="campuchia">Campuchia</option>
<option value="carapicuiba-sao-paulo">Carapicuíba - São Paulo</option>
<option value="conakry">Conakry</option>
<option value="dallas">Dallas</option>
<option value="dubai">Dubai</option>
<option value="fortaleza">Fortaleza</option>
<option value="guinea">Guinea</option>
<option value="ha-noi">Ha Noi</option>
<option value="hamburg">Hamburg</option>
<option value="india">india</option>
<option value="istanbul">istanbul</option>
<option value="jacksonville">Jacksonville</option>
<option value="kathmandu">Kathmandu</option>
<option value="kk">kk</option>
<option value="latur">latur</option>
<option value="lll">lll</option>
<option value="london">London</option>
<option value="manila">Manila</option>
<option value="melbourne">Melbourne</option>
<option value="montreal">montreal</option>
<option value="new-york">New York</option>
<option value="newcastle">Newcastle</option>
<option value="nigeria">Nigeria</option>
<option value="noordwijk">Noordwijk</option>
<option value="philippines">Philippines</option>
<option value="san-gwann">San Gwann</option>
<option value="scotland">Scotland</option>
<option value="sydney">Sydney</option>
<option value="tourcoin">Tourcoin</option>
<option value="vienna-austria">Vienna, Austria</option>
<option value="wroclaw">Wrocław</option>
<option value="zxczxc">zxczxc</option>
<option value="zxczxvzxv">zxczxvzxv</option>

</select>
<div class="chosen-container chosen-container-multi" style="width: 795px;" title="" id="location_chosen"><ul class="chosen-choices"><li class="search-field">
<input type="text" value="Enter a city and country or leave it blank" class="default" autocomplete="off" style="width: 279px;"></li></ul><div class="chosen-drop"><ul class="chosen-results"></ul></div></div>
</div>
</div>

Answer 1

移除显示器:无根据您的代码，您在删除它后正在使用 Bootstrap ，如果它不起作用，请检查 jquery 和 javascript 链接模式喜欢

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>



<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>