Twitter Bootstrap 3：Spyscroll 总是 select 最后并且在 JSFIDDLE 中工作而不是本地代码相同

Question

这有点有趣，因为相同的代码不会产生相同的行为。

这是 jsfiddle 代码。这是一个很好的 spyscroll 演示。

所以我将代码复制到本地 html 文件中。

这是我的本地 html 文件。我用 appengine 保存文件。我已检查 jquery、bootstrap.min.css 和 bootstrap.min.js 是否已正确加载。而jquery的版本是2.1.3，bootstrap是3.0.0.

我已经为 spyscroll 尝试了其他 jsfiddle，发生了完全相同的事情。不在本地工作，而是在 jsfiddle 中工作。当我滚动页面时，导航栏不会反映这一点，并且始终坚持最后一项。

<html>
<script src="bower_components/jquery/dist/jquery.js"></script>
<!-- <link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap.min.css"> -->
<!-- <script src="bower_components/bootstrap/dist/js/bootstrap.min.js"></script> -->
<link rel="stylesheet" href="bower_components/bootstrap.min.css">
<script src="bower_components/bootstrap.min.js"></script>
<style>
.group {
    background: yellow;
    width: 200px;
    height: 500px;
}
.group .subgroup {
    background: orange;
    width: 150px;
    height: 200px;
}
#sidebar.affix {
    top: 20px;
}
/* sidebar */
.bs-docs-sidebar {
    padding-left: 20px;
    margin-top: 20px;
    margin-bottom: 20px;
}

/* all links */
.bs-docs-sidebar .nav>li>a {
    color: #999;
    border-left: 2px solid transparent;
    padding: 4px 20px;
    font-size: 13px;
    font-weight: 400;
}

/* nested links */
.bs-docs-sidebar .nav .nav>li>a {
    padding-top: 1px;
    padding-bottom: 1px;
    padding-left: 30px;
    font-size: 12px;
}

/* active & hover links */
.bs-docs-sidebar .nav>.active>a, 
.bs-docs-sidebar .nav>li>a:hover, 
.bs-docs-sidebar .nav>li>a:focus {
    color: #563d7c;                 
    text-decoration: none;          
    background-color: transparent;  
    border-left-color: #563d7c; 
}
/* all active links */
.bs-docs-sidebar .nav>.active>a, 
.bs-docs-sidebar .nav>.active:hover>a,
.bs-docs-sidebar .nav>.active:focus>a {
    font-weight: 700;
}
/* nested active links */
.bs-docs-sidebar .nav .nav>.active>a, 
.bs-docs-sidebar .nav .nav>.active:hover>a,
.bs-docs-sidebar .nav .nav>.active:focus>a {
    font-weight: 500;
}

/* hide inactive nested list */
.bs-docs-sidebar .nav ul.nav {
    display: none;           
}
/* show active nested list */
.bs-docs-sidebar .nav>.active>ul.nav {
    display: block;           
}

</style>
<!-- Top Navbar -->
<body>
<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="#">Home</a></li>
                <li><a href="#about">About</a></li>
                <li><a href="#contact">Contact</a></li>
            </ul>
        </div>
    </div>
</div>
<div class="row">
    <!--Nav Bar -->
    <nav class="col-xs-3 bs-docs-sidebar">
        <ul id="sidebar" class="nav nav-stacked">
            <li>
                <a href="#GroupA">Group A</a>
                <ul class="nav nav-stacked">
                    <li><a href="#GroupASub1">Sub-Group 1</a></li>
                    <li><a href="#GroupASub2">Sub-Group 2</a></li>
                </ul>
            </li>
            <li>
                <a href="#GroupB">Group B</a>
                <ul class="nav nav-stacked">
                    <li><a href="#GroupBSub1">Sub-Group 1</a></li>
                    <li><a href="#GroupBSub2">Sub-Group 2</a></li>
                </ul>
            </li>
            <li>
                <a href="#GroupC">Group C</a>
                <ul class="nav nav-stacked">
                    <li><a href="#GroupCSub1">Sub-Group 1</a></li>
                    <li><a href="#GroupCSub2">Sub-Group 2</a></li>
                </ul>
            </li>
        </ul>
    </nav>
    <!--Main Content -->
    <div class="col-xs-9">
        <section id="GroupA" class="group">
            <h3>Group A</h3>
            <div id="GroupASub1" class="subgroup">
                <h4>Group A Sub 1</h4>
            </div>
            <div id="GroupASub2" class="subgroup">
                <h4>Group A Sub 2</h4>
            </div>
        </section>
        <section id="GroupB" class="group">
            <h3>Group B</h3>
            <div id="GroupBSub1" class="subgroup">
                <h4>Group B Sub 1</h4>
            </div>
            <div id="GroupBSub2" class="subgroup">
                <h4>Group B Sub 2</h4>
            </div>
        </section>
        <section id="GroupC" class="group">
            <h3>Group C</h3>
            <div id="GroupCSub1" class="subgroup">
                <h4>Group C Sub 1</h4>
            </div>
            <div id="GroupCSub2" class="subgroup">
                <h4>Group C Sub 2</h4>
            </div>
        </section>    
    </div>
</div>
</body>
<script>
$('body').scrollspy({
    target: '.bs-docs-sidebar',
    offset: 40
});
$("#sidebar").affix({
    offset: {
      top: 60
    }
});
</script>

Answer 1

在页面顶部添加 <!DOCTYPE html>。

并为 jQuery

使用 $(function() {} 包装器

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