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  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>圖片延時加載原生JS特效廣告代碼</title> <style type="text/css"> body,div,ul,li{margin:0;padding:0;} #box{width:770px;margin:0 auto;padding:10px 0 0 10px;background:#f00;overflow:hidden;zoom:1;} #box li{float:left;width:375px;height:225px;color:#fff;padding:10px 0;display:inline;text-align:center;margin:0 10px 10px 0;background:#000 ;} #box li img.loaded{width:353px;height:225px;vertical-align:middle;} </style> </head> <script type="text/javascript"> var fgm = { on: function(element, type, handler) { return element.addEventListener ? element.addEventListener(type, handler, false) : element.attachEvent("on" + type, handler) }, bind: function(object, handler) { return function() { return handler.apply(object, arguments) } }, pageX: function(element) { return element.offsetLeft + (element.offsetParent ? arguments.callee(element.offsetParent) : 0) }, pageY: function(element) { return element.offsetTop + (element.offsetParent ? arguments.callee(element.offsetParent) : 0) }, hasClass: function(element, className) { return new RegExp("(^|\\s)" + className + "(\\s|$)").test(element.className) }, attr: function(element, attr, value) { if(arguments.length == 2) { return element.attributes[attr] ? element.attributes[attr].nodeValue : undefined } else if(arguments.length == 3) { element.setAttribute(attr, value) } } }; //延時加載 function LazyLoad(obj) { this.lazy = typeof obj === "string" ? document.getElementById(obj) : obj; this.aImg = this.lazy.getElementsByTagName("img"); this.fnLoad = fgm.bind(this, this.load); this.load(); fgm.on(window, "scroll", this.fnLoad); fgm.on(window, "resize", this.fnLoad); } LazyLoad.prototype = { load: function() { var iScrollTop = document.documentElement.scrollTop || document.body.scrollTop; var iClientHeight = document.documentElement.clientHeight + iScrollTop; var i = 0; var aParent = []; var oParent = null; var iTop = 0; var iBottom = 0; var aNotLoaded = this.loaded(0); if(this.loaded(1).length != this.aImg.length) { for(i = 0; i < aNotLoaded.length; i++) { oParent = aNotLoaded[i].parentElement || aNotLoaded[i].parentNode; iTop = fgm.pageY(oParent); iBottom = iTop + oParent.offsetHeight; if((iTop > iScrollTop && iTop < iClientHeight) || (iBottom > iScrollTop && iBottom < iClientHeight)) { aNotLoaded[i].src = fgm.attr(aNotLoaded[i], "data-img") || aNotLoaded[i].src; aNotLoaded[i].className = "loaded"; } } } }, loaded: function(status) { var array = []; var i = 0; for(i = 0; i < this.aImg.length; i++) eval("fgm.hasClass(this.aImg[i], \"loaded\")" + (!!status ? "&&" : "||") + "array.push(this.aImg[i])"); return array } }; //應用 fgm.on(window, "load", function () {new LazyLoad("box")}); </script> <body> <ul id="box"> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> <li><img src="http://www.mnyak.com/images/noface.gif" data-img="http://www.mnyak.com/images/001.jpg" /></li> </ul> <a href="http://www.mnyak.com/">国产J8又粗又硬又大又爽又长国产乱码精品一区二区三区麻豆久久无码人妻一区二区三区蜜桃樱花动漫,樱花动漫欧美黑人乱大交BD少妇大叫太大太粗太爽了A片国产AV熟女一区二区三区蜜桃刮伦人妇A片1级,乱码AV午夜噜噜噜噜亚洲国产熟妇无码一区二区性色AV色香蕉一区二区蜜桃囯产精品久久久久久久久免费蜜桃,国精品无码一区二区三区在线A片黄色网站成人免费精品久久久久久亚洲偷窥女厕www.免费无码A片一区二三区,丰满女邻居做爰BD亚洲乱码AV中文区软件关闭久久103国产精一区二区三区蜜桃</a> <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body> </html>