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                        課程
                    
                        /前端開發(fā)
                        
                            /Bootstrap
                        
                        /玩轉Bootstrap（基礎）

<title>下拉菜單</title>
<link?rel="stylesheet"?>
</head>
<body>

?<div?class="dropdown">
??<button?class="btn?btn-default?dropdown-toggle"?type="button"?id="dropdownMenu1"?data-toggle="dropdown">
????下拉菜單
????<span?class="caret"></span>
??</button>
??<ul?class="dropdown-menu"?role="menu"?aria-labelledby="dropdownMenu1">
????<li?role="presentation"><a?role="menuitem"?tabindex="-1"?href="#">下拉菜單項</a></li>
????<li?role="presentation"><a?role="menuitem"?tabindex="-1"?href="#">下拉菜單項</a></li>
????<li?role="presentation"><a?role="menuitem"?tabindex="-1"?href="#">下拉菜單項</a></li>
????<li?role="presentation"><a?role="menuitem"?tabindex="-1"?href="#">下拉菜單項</a></li>
??</ul>
</div>?
??<script?src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
??<script?src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>