如何解决Bootstrap 4折叠仅在第二次单击时起作用
我遇到的问题是this,但使用的是引导程序4。我想使用collapse功能,默认情况下显示内容。问题在于,内容不会随着第一次单击而隐藏,而只会随着第二次单击而隐藏。显示该问题here:
<button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
Button with data-target
</button>
<div class="collapse.show in" id="collapseExample">
<div class="card card-body">
Anim pariatur cliche reprehenderit,enim eiusmod high life accusamus terry richardson ad squid. Nihil anim keffiyeh helvetica,craft beer labore wes anderson cred nesciunt sapiente ea proident.
</div>
</div>
解决方法
只需在show
中添加collapse
类,而不在collapse.show
中添加-您的code
其余所有内容都很好!
实时演示:
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<!-- Popper JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
<button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
Button with data-target
</button>
<div class="collapse show" id="collapseExample">
<div class="card card-body">
Anim pariatur cliche reprehenderit,enim eiusmod high life accusamus terry richardson ad squid. Nihil anim keffiyeh helvetica,craft beer labore wes anderson cred nesciunt sapiente ea proident.
</div>
</div>
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