Bootstrap 3.0 Navbar Navigration Bar

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css">
<div class="wrapper">
<div class="navbar navbar-inverse ">
    <div class="container">
        <div class="navbar-header">
            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button> <a class="navbar-brand" href="#">Bootstrap 3.0 Skeleton</a>

        </div>
        <div class="collapse navbar-collapse">
            <ul class="nav navbar-nav">
                <li class="active"><a href="go.php">Home</a>
                </li>
                <li><a href="#about">About</a>
                </li>
                <li><a href="#contact">Contact</a>
                </li>
            </ul>
        </div>
        <!--/.nav-collapse -->
    </div>
</div>
</div>



<!-- Post Info -->
<div style='position:fixed;bottom:0;left:0;    
            background:lightgray;width:100%;'>
    Find documentation: <a href='http://getbootstrap.com/css/'>Get Bootstrap 3.0</a><br/>
    Fork This Skeleton Here <a href='http://jsfiddle.net/KyleMit/kcpma/'>Bootrsap 3.0 Skeleton</a><br/>
    External JS File: <a href='http://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js'>bootstrap.min.js</a><br/>
    External Style Sheet: <a href='http://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js'>bootstrap.min.css</a><br/>
    External Fonts / Icons: <a href='http://netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css'>font-awesome.min.css</a>
<div>

CSS

.wrapper {
    width:90%;
    margin-right: auto;
    margin-left: auto;
}

JavaScript

$(document).ready(function () {
        $('ul.nav > li').click(function (e) {
           
            $('ul.nav > li').removeClass('active');
            $(this).addClass('active');                
        });            
    });