mac,firefox無效果...
<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>下拉菜單</title><link rel="stylesheet" href="css/bootstrap.min.css"></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="js/jquery.js"></script> ?<script src="js/bootstrap.min.js"></script> </body></html>
2015-12-22
jQuery用1.9.0版本以上的