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Bootstrap下拉式功能表更改為懸停(hover)觸發的方法，bootstraphover
Bootstrap下拉式功能表預設需要通過點擊，才可以開啟，在管理系統的開發過程中，使用懸停代替點擊能減少一步操作，更人性化。下面是實現方式：
<!DOCTYPE html><html> <head> <link href="http://cdn.bootcss.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet"> <script src="http://cdn.bootcss.com/jquery/2.1.4/jquery.js"></script> <script src="http://cdn.bootcss.com/bootstrap/3.3.5/js/bootstrap.js"></script> <script src="http://cdn.bootcss.com/bootstrap-hover-dropdown/2.0.10/bootstrap-hover-dropdown.min.js"></script> </head> <body> <div class="dropdown"> <button type="button" class="btn dropdown-toggle" id="dropdownMenu1" data-toggle="dropdown" data-hover="dropdown"> 主題 <span class="caret"></span> </button> <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1"> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">Java</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">資料採礦</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#"> 資料通訊/網路 </a> </li> <li role="presentation" class="divider"></li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">分離的連結</a> </li> </ul></div> </body></html>
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