【问题标题】：Search function in select options using Bootstrap 4使用 Bootstrap 4 在选择选项中搜索功能
【发布时间】：2019-09-21 08:11:42
【问题描述】：
点击选择时，没有可用的选项。
$(function() {
$('.selectpicker').selectpicker();
});
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.10.0/css/bootstrap-select.min.css" rel="stylesheet" />
<select class="form-control selectpicker" name="part" data-live-search="true" required>
<option value="Select Part">Select Part</option>
<option value="Part 1" data-tokens="Part 1">Part 1</option>
<option value="Part 2" data-tokens="Part 2">Part 2</option>
<option value="Part 3" data-tokens="Part 3">Part 3</option>
<option value="Part 4" data-tokens="Part 4">Part 4</option>
<option value="Part 5" data-tokens="Part 5">Part 5</option>
<option value="Pravesh Pariksha" data-tokens="Pravesh Pariksha">Pravesh Pariksha</option>
</select>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.10.0/js/bootstrap-select.min.js"></script>
点击选择时，没有可用的选项。
【问题讨论】：
标签：
jquery
html
twitter-bootstrap
select
bootstrap-4
【解决方案1】：
检查您的版本：
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.9/dist/css/bootstrap-select.min.css">
<!-- Latest compiled and minified JavaScript -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.9/dist/js/bootstrap-select.min.js"></script>
$(function() {
$('.selectpicker').selectpicker();
});
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.9/dist/css/bootstrap-select.min.css">
<select class="form-control selectpicker" name="part" data-live-search="true" required>
<option value="Select Part">Select Part</option>
<option value="Part 1" data-tokens="Part 1">Part 1</option>
<option value="Part 2" data-tokens="Part 2">Part 2</option>
<option value="Part 3" data-tokens="Part 3">Part 3</option>
<option value="Part 4" data-tokens="Part 4">Part 4</option>
<option value="Part 5" data-tokens="Part 5">Part 5</option>
<option value="Pravesh Pariksha" data-tokens="Pravesh Pariksha">Pravesh Pariksha</option>
</select>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.9/dist/js/bootstrap-select.min.js"></script>
【讨论】：
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