本文實例講述了jQuery實現的粘性滾動導航欄效果。分享給大家供大家參考，具體如下：
粘性滾動是當導航在滾動過程中會占粘于瀏覽器上，達到方便網站頁面瀏覽的效果，也是一種用戶體驗，下面我們看一下是怎么實現的：
jQuery的 smint插件，也是一個導航菜單固定插件。當頁滾動時，導航菜單會固定在頂部；當點擊菜單時，頁面會平滑的滾動到對應的區域。
兼容性
由于 smint 使用了 position: fixed，所以它不兼容 IE6。適用瀏覽器：IE8、360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗.
引入文件
<link href="css/demo.css" rel="external nofollow" rel="stylesheet" type="text/css"><script src="js/jquery.min.js"></script><script src="js/jquery.smint.js"></script>
HTML
<body onload="setTimeout(function() { window.scrollTo(0, 1) }, 100);"><div class="wrap"> <div class="subMenu"> <div class="inner"> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" id="sTop" class="subNavBtn">Home</a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" id="s1" class="subNavBtn">Section 1</a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" id="s2" class="subNavBtn">Section 2</a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" id="s3" class="subNavBtn">Section 3</a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" id="s4" class="subNavBtn">Section 4</a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" id="s5" class="subNavBtn end">Section 5</a> </div> </div> <div class="section sTop"> <div class="inner"></div><br class="clear"> </div> <div class="section s1"> <div class="inner"><h1>Section 1</h1></div> </div> <div class="section s2"> <div class="inner"><h1>Section 2</h1></div> </div> <div class="section s3"> <div class="inner"><h1>Section 3</h1></div> </div> <div class="section s4"> <div class="inner"><h1>Section 4</h1></div> </div> <div class="section s5"> <div class="inner"><h1>Section 5</h1></div> </div></div></body>
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