$('#sticky-list').stickySectionHeaders();
Check out the demo here.
$('#sticky-list').stickySectionHeaders({
stickyClass : 'sticky',
headlineSelector : 'strong'
});
<div id="sticky-list">
<ul>
<li>
<strong>Section Headline 1</strong>
<ul>
<li>Content line</li>
<li>Content line</li>
<li>Content line</li>
<li>Content line</li>
</ul>
</li>
<li>
<strong>Section Headline 2</strong>
<ul>
<li>Content line</li>
<li>Content line</li>
</ul>
</li>
<li>
<strong>Section Headline 4</strong>
<ul>
<li>Content line</li>
<li>Content line</li>
<li>Content line</li>
<li>Content line</li>
</ul>
</li>
</ul>
</div>
/* Reset some list defaults for all lists */
ul {
list-style: none;
margin: 0;
padding: 0;
}
/* The main container */
#sticky-list {
height: 100px;
overflow: hidden;
position: relative;
}
/* The main list */
#sticky-list > ul {
height: 100%;
overflow: auto;
}
/* Section headers, defined through "headlineSelector" */
#sticky-list > ul > li strong {
display: block;
}
/* Section headers when "sticky", defined through "stickyClass" */
#sticky-list > ul > li.sticky strong {
position: absolute;
top: 0;
}