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?体验效果:http://hovertree.com/texiao/jquery/25/
最近浏览网页时看到一个比较不错的做法,就是网页的某一块在随浏览器滚动快要消失的时候会浮动在页面上,页面还可以继续往上翻滚,但比较突出的那一块一直贴在浏览器的顶部,比如顶部导航条就可以用这种效果,何问起自我感觉这种效果还是比较贴心的,于是乎自己钻研了下,也写了这样一种效果,现在将代码贴在下面和大家分享。
完整代码:
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>jQuery元素滚动到顶部固定 - 何问起</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <base target="_blank" /> <script type="text/javascript" src="http://hovertree.com/ziyuan/jquery/jquery-1.11.3.min.js"></script> <style> body { margin: 0px; font-family: Arial; } a { color: blue; } </style> </head> <body> <div style="text-align:center;width:100%;margin:0px auto;"> <h1>何问起</h1> jQuery元素滚动到顶部固定 <br />固定在网页顶部跟随滚动条滑动而滑动的DIV层<br />请滚动页面...<br /> <a href="http://hovertree.com/texiao/yestop/">Yestop</a> <a href="http://hovertree.com/h/bjaf/hoverclock.htm">HoverClock</a> <a href="http://hovertree.com">首页</a> <a href="http://hovertree.com/texiao/">特效</a> <a href="http://hovertree.com/h/bjaf/jqguding.htm">原文</a> </div> <div style="height: 360px;background-color: #66FF66;text-align:center;"> </div> <div style="width:100%;text-align:center;height:200px;background-color:skyblue" id="divhovertree">© hovertree.com</div> <div style="height: 200px; visibility: visible; background-color: Olive"> </div><div style="height:200px;background-color:burlywood"></div><div style="height:200px;background-color:darkorchid"></div> <div style="height: 200px; visibility: visible; background-color:gray"> </div> <div style="height:200px;background-color:blue"></div> <div style="height:200px;background-color:red"></div> <div style="height:200px;background-color:yellow"></div> <div style="height:200px;background-color:yellowgreen"></div> <div style="height:800px;background-color:white"></div> <script type="text/javascript"> /* *滚动条滑动,位置不变的DIV层 *div_id:DIV的ID属性值,必填参数 *offsetTop:滚动条滑动时DIV层距顶部的高度,可选参数 */ function fixDiv(div_id, offsetTop) { var Obj = $(‘#‘ + div_id); //判断元素是否存在 何问起 if (Obj.length != 1) { return false; } var offsetTop = arguments[1] ? arguments[1] : 0; var ObjTop = Obj.offset().top; $(window).scroll(function () { if ($(window).scrollTop() <= ObjTop) { Obj.css({ ‘position‘: ‘relative‘, "top": 0 }); } else { Obj.css({ ‘position‘: ‘fixed‘, ‘top‘: 0 + offsetTop + ‘px‘, ‘z-index‘: 10 }); } }); } fixDiv(‘divhovertree‘, 5);//顶端浮动并于顶端保持5px的间距 </script> </body> </html>
?更多特效:?http://ini.iteye.com/blog/2165698?
原文:http://ini.iteye.com/blog/2270040