activate.bs.scrollspy没有被用下拉列表调用吗？

Question

我在下拉列表中有这个目录，我想使用scrollspy()来跟踪我在文档中的位置。我经常有数百个页面，所以在这一点上，下拉菜单和overflow-y: auto;在设计上是有意义的。但是，当页面发生变化时，我也想做一些其他的事情。特别要注意的是，将下拉按钮上的page #更改为实际页面。根据文件我将使用如下内容：

$('#myScrollspy').on('activate.bs.scrollspy', function () {
  // do something…
})

然而，这是行不通的。看到了下面的小提琴： http://jsfiddle.net/Mt25g/注意:我正在使用引导3.0.2，并尝试了激活而不是activate.bs.scrollspy --出于某种原因。这就是过去的做法。

我已经粘贴了下面的代码。我正计划在他们的github页面上打开一个问题，但是由于我对引导很陌生，所以我想我会先请求帮助。很可能我做错什么了？(代码如下)

HTML

<nav class="navbar navbar-inverse navbar-fixed-top" id="nav_container" role="navigation">
    <div class="container">
        <a class="navbar-brand" href="#">Some WorkSpace</a>

        <div class="pull-right nav">
            <div class="btn-group">
                <button type="button" class="btn btn-primary navbar-btn">«</button>
                <button type="button" class="btn navbar-btn btn-primary dropdown-toggle" data-toggle="dropdown" id="page_nav">Page: # <span class="caret"></span>
                </button>


<ul class="dropdown-menu" id="page_nav" aria-labelledby="dLbael">


    <li role="presentation" class="pg_nav">
        <a href="#pg-1" title="Page : no page number" role="menuitem" tabindex="-1">1</a>
    </li>
     <li role="presentation" class="pg_nav">
        <a href="#pg-2" title="Page : no page number" role="menuitem" tabindex="-1">2</a>
    </li>
     <li role="presentation" class="pg_nav">
        <a href="#pg-3" title="Page : no page number" role="menuitem" tabindex="-1">3</a>
    </li>




</ul>
                <button type="button" class="btn btn-primary navbar-btn">»</button>
            </div>
            <button type="button" class="btn navbar-btn" disabled="disabled">
                Apply
            </button>
            <button type="button" class="btn btn-warning navbar-btn">
                Reset
            </button>
        </div>
    </div>
</nav>
<div class="container">
    <section id="pg-1">
        <h3>Bacon</h3>
        <p>
        Bacon ipsum dolor sit amet strip steak boudin shankle jerky meatball corned beef, kielbasa hamburger pastrami prosciutto. Frankfurter andouille jowl prosciutto leberkas brisket t-bone. Tri-tip pancetta cow pastrami pig beef ribs short ribs pork belly ham hock tenderloin turkey andouille. Sausage shoulder strip steak jowl tongue chuck, frankfurter ball tip beef ribs brisket. Spare ribs frankfurter beef ribs pig flank. Pancetta ball tip t-bone spare ribs brisket. Venison ham short ribs tenderloin, meatloaf biltong doner prosciutto pork leberkas pork chop shank tail chuck.
        </p>
        <p>
Pastrami sausage filet mignon leberkas pork bresaola shank corned beef sirloin. Ham hock salami jerky strip steak capicola sirloin venison filet mignon boudin. Sirloin meatball kielbasa pig, drumstick beef ribs tenderloin shank prosciutto corned beef. Ham hock shankle capicola, sausage meatball strip steak ribeye kielbasa.
        </p>
        <p>
Pancetta capicola sirloin, biltong pork loin chuck turducken boudin. Shoulder hamburger andouille pork loin pork belly chicken. Venison ball tip ground round meatloaf rump cow biltong kielbasa tail capicola flank. Tongue andouille strip steak, venison pork belly ham boudin jowl shank capicola pig shankle. Bacon pastrami pancetta, sausage hamburger chicken shank short loin. Swine fatback short loin, ham filet mignon t-bone turkey jowl prosciutto.
        </p>
    </section>
        <section id="pg-2">
        <h3>Sausage</h3>
        <p>
        Bacon ipsum dolor sit amet strip steak boudin shankle jerky meatball corned beef, kielbasa hamburger pastrami prosciutto. Frankfurter andouille jowl prosciutto leberkas brisket t-bone. Tri-tip pancetta cow pastrami pig beef ribs short ribs pork belly ham hock tenderloin turkey andouille. Sausage shoulder strip steak jowl tongue chuck, frankfurter ball tip beef ribs brisket. Spare ribs frankfurter beef ribs pig flank. Pancetta ball tip t-bone spare ribs brisket. Venison ham short ribs tenderloin, meatloaf biltong doner prosciutto pork leberkas pork chop shank tail chuck.
        </p>
        <p>
Pastrami sausage filet mignon leberkas pork bresaola shank corned beef sirloin. Ham hock salami jerky strip steak capicola sirloin venison filet mignon boudin. Sirloin meatball kielbasa pig, drumstick beef ribs tenderloin shank prosciutto corned beef. Ham hock shankle capicola, sausage meatball strip steak ribeye kielbasa.
        </p>
        <p>
Pancetta capicola sirloin, biltong pork loin chuck turducken boudin. Shoulder hamburger andouille pork loin pork belly chicken. Venison ball tip ground round meatloaf rump cow biltong kielbasa tail capicola flank. Tongue andouille strip steak, venison pork belly ham boudin jowl shank capicola pig shankle. Bacon pastrami pancetta, sausage hamburger chicken shank short loin. Swine fatback short loin, ham filet mignon t-bone turkey jowl prosciutto.
        </p>
    </section>
        <section id="pg-3">
        <h3>"Right Lisa"
            <small>Some Magical Animal</small></h3>
        <p>
        Bacon ipsum dolor sit amet strip steak boudin shankle jerky meatball corned beef, kielbasa hamburger pastrami prosciutto. Frankfurter andouille jowl prosciutto leberkas brisket t-bone. Tri-tip pancetta cow pastrami pig beef ribs short ribs pork belly ham hock tenderloin turkey andouille. Sausage shoulder strip steak jowl tongue chuck, frankfurter ball tip beef ribs brisket. Spare ribs frankfurter beef ribs pig flank. Pancetta ball tip t-bone spare ribs brisket. Venison ham short ribs tenderloin, meatloaf biltong doner prosciutto pork leberkas pork chop shank tail chuck.
        </p>
        <p>
Pastrami sausage filet mignon leberkas pork bresaola shank corned beef sirloin. Ham hock salami jerky strip steak capicola sirloin venison filet mignon boudin. Sirloin meatball kielbasa pig, drumstick beef ribs tenderloin shank prosciutto corned beef. Ham hock shankle capicola, sausage meatball strip steak ribeye kielbasa.
        </p>
        <p>
Pancetta capicola sirloin, biltong pork loin chuck turducken boudin. Shoulder hamburger andouille pork loin pork belly chicken. Venison ball tip ground round meatloaf rump cow biltong kielbasa tail capicola flank. Tongue andouille strip steak, venison pork belly ham boudin jowl shank capicola pig shankle. Bacon pastrami pancetta, sausage hamburger chicken shank short loin. Swine fatback short loin, ham filet mignon t-bone turkey jowl prosciutto.
        </p>
    </section>

</div>

JAVASCRIPT

$(function() { 
    $('body').scrollspy({target: '#nav_container', offset: 47}); 
    $('#nav_container').on('activate.bs.scrollspy', function() { 
        console.log('sparkle, sparkle');
    });
});

CSS

section { padding-top: 40px; }

Answer 1

杜伊

<li>没有下拉类。