bootstrap4的滑门tab点击切换是默认的,如何改成经过悬停切换,其实可以通过js代码实现.
把下面代码加入即可实现了
<script> $("#myTab a").mousemove(function (e) { $(this).tab('show'); }); </script>

<ul class="nav nav-tabs" id="myTab" role="tablist"> <li class="nav-item"> <a class="nav-link active" id="home-tab" data-toggle="tab" href="#home" role="tab" aria-controls="home" aria-selected="true">Home</a> </li> <li class="nav-item"> <a class="nav-link" id="profile-tab" data-toggle="tab" href="#profile" role="tab" aria-controls="profile" aria-selected="false">Profile</a> </li> <li class="nav-item"> <a class="nav-link" id="contact-tab" data-toggle="tab" href="#contact" role="tab" aria-controls="contact" aria-selected="false">Contact</a> </li> </ul> <div class="tab-content" id="myTabContent"> <div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">...</div> <div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab">...</div> <div class="tab-pane fade" id="contact" role="tabpanel" aria-labelledby="contact-tab">...</div> </div>
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