<script src="http://cdn.bootcss.com/jquery/3.1.1/jquery.min.js"></script>
<script src="http://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.js"></script>
<script src="http://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.js"></script>
2017-10-23
<script src='https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
2017-10-23
<script src='https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
2017-10-23
<script>
$(document).ready(function(){
$('.nav li').click(function(){
$(this).addClass('active').siblings('li').removeClass('active');
})
})
</script>
$(document).ready(function(){
$('.nav li').click(function(){
$(this).addClass('active').siblings('li').removeClass('active');
})
})
</script>
2017-10-23
<script>
$(document).ready(function(){
$('.nav-tabs li').click(function(){
$(this).addClass('active').siblings('li:not(".disabled")').removeClass('active');
$('.nav-tabs .disabled').removeClass('active');
})
})
</script>
$(document).ready(function(){
$('.nav-tabs li').click(function(){
$(this).addClass('active').siblings('li:not(".disabled")').removeClass('active');
$('.nav-tabs .disabled').removeClass('active');
})
})
</script>
2017-10-23
<script src='https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
2017-10-23
<script src='https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
2017-10-23
<li><a href='#'>javascript</a></li>
<li><a href='#'>jquery</a></li>
<li><a href='#'>ang</a></li>
<li><a href='#'>react</a></li>
<li><a href='#'>node</a></li>
</ul>
</div>
<li><a href='#'>jquery</a></li>
<li><a href='#'>ang</a></li>
<li><a href='#'>react</a></li>
<li><a href='#'>node</a></li>
</ul>
</div>
2017-10-23
<div class='btn-group dropup'>
<a href='#' class='btn btn-default dropdown-toggle' data-toggle='dropdown'>
前端 <span class='caret'></span>
</a>
<ul class='dropdown-menu'>
<li><a href='#'>html</a></li>
<li><a href='#'>css</a></li>
<a href='#' class='btn btn-default dropdown-toggle' data-toggle='dropdown'>
前端 <span class='caret'></span>
</a>
<ul class='dropdown-menu'>
<li><a href='#'>html</a></li>
<li><a href='#'>css</a></li>
2017-10-23
<script src='https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
2017-10-23
告诉大家一个秘密 ：每次慕课网引入的js文件都是错误的 。
正确的是 ：
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
正确的是 ：
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
2017-10-22
把下面的js引用文件改成 ：
<script src='https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
<script src='https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js'></script>
<script src='https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js'></script>
2017-10-22