I am trying to make my sub menu item stay expanded and selected on page load using bootstrap, I am not sure how to do this in javascript. Here's my html: JSfiddle
<ul class="ul-privacy-sidebar hidden-xs">
<li>
<a class="hidden-xs" href="#">
<span class="fa-stack">
<i class="fa fa-circle fa-stack-2x ps-redorange"></i>
<i class="mdi mdi-home fa-stack-1x fa-inverse"></i>
</span> Privacy & Security
</a>
</li>
<li>
<a href="http://10.60.51.91/monster-responsive/global/www/privacy-policy/privacy-policy.html">
<span class="fa-stack">
<i class="fa fa-circle fa-stack-2x ps-lt-green"></i>
<i class="mdi mdi-file-document fa-stack-1x fa-inverse"></i>
</span> Privacy Policy
</a>
</li>
<li>
<a href="#">
<span class="fa-stack">
<i class="fa fa-circle fa-stack-2x ps-teal"></i>
<i class="mdi mdi-bullhorn fa-stack-1x fa-inverse"></i>
</span> Cookies, Ads & More
</a>
</li>
<li>
<a href="#">
<span class="fa-stack">
<i class="fa fa-circle fa-stack-2x ps-orange"></i>
<i class="mdi mdi-settings fa-stack-1x fa-inverse"></i>
</span> Account Management
</a>
</li>
<li>
<a href="#">
<span class="fa-stack">
<i class="fa fa-circle fa-stack-2x ps-pink"></i>
<i class="mdi mdi-file fa-stack-1x fa-inverse"></i>
</span> Resume Security
</a>
</li>
<li>
<a href="#">
<span class="fa-stack">
<i class="fa fa-circle fa-stack-2x ps-redorange"></i>
<i class="mdi mdi-alert-outline fa-stack-1x fa-inverse"></i>
</span> Email Scams
</a>
</li>
<li class="active">
<a href="#faq-dropdow" class="list-group-item list-group-item-success" data-toggle="collapse" data-parent="#MainMenu">
<span class="fa-stack">
<i class="fa fa-circle fa-stack-2x ps-teal"></i>
<i class="mdi mdi-help fa-stack-1x fa-inverse"></i>
</span> FAQs <i class="mdi mdi-chevron-down"></i>
</a>
<div class="collapse open visible-desktop" id="faq-dropdow">
<a href="#" class="list-group-item subitem active">About Monster</a>
<a href="#" class="list-group-item subitem">Data Collection</a>
<a href="#" class="list-group-item subitem">Data Usage</a>
<a href="#" class="list-group-item subitem">Data Sharing</a>
<a href="#" class="list-group-item subitem">Data Storage</a>
<a href="#" class="list-group-item subitem">Cookies & Tracking</a>
<a href="#" class="list-group-item subitem">Advertising</a>
<a href="#" class="list-group-item subitem">Account Profile & Management</a>
<a href="#" class="list-group-item subitem">Email & Other Communications</a>
<a href="#" class="list-group-item subitem">Safeguarding Data</a>
<a href="#" class="list-group-item subitem">Job Application Process</a>
<a href="#" class="list-group-item subitem">Privacy Standards</a>
</div>
</li>
<li>
<a href="#">
<span class="fa-stack">
<i class="fa fa-circle fa-stack-2x ps-lt-green"></i>
<i class="mdi mdi-email fa-stack-1x fa-inverse"></i>
</span> Contact Us
</a>
</li>
</ul>
答案 0 :(得分：0)
using the default bootstrap example: I only added class="open" to the parent li-item
HTML
Toggle navigation Brand
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
<li><a href="#">Link</a></li>
<li class="dropdown open">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">One more separated link</a></li>
</ul>
</li>
</ul>
<form class="navbar-form navbar-left" role="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
<ul class="nav navbar-nav navbar-right">
<li><a href="#">Link</a></li>
<li class="dropdown active">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#"/></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</li>
</ul>
</div><!-- /.navbar-collapse -->