圖片延時加載原生JS特效廣告代碼-溫州網絡公司,溫州網站制作,溫州網站建設,溫州網頁設計,溫州網站推廣,溫州網站優化,溫州做網站

- 龍誠動態
  
  行業新聞
  
  我們的觀點
  
  公司公告
  
  建站技術
  
  網站SEO優化
  
  網站制作流程
  
  產品報價
  - 聯系電話：0577-55882408
  - 傳真號碼：0577-55882411
  - 聯系手機：15224122065
  - 聯系地址：溫州市甌海站南商貿城C幢306
- - 首頁-新聞中心-建站技術
  <!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/">神马影院我不卡神马我不卡我不卡不卡国产在线精品一区二区三区不卡神马影院我不卡影院日本阿v不卡高清在线播放中文字幕不卡在线视频不卡的我不卡手机在线观看国产福利不卡在线视频，在线日本v二区不卡一本到高清视频不卡dvd韩国日本免费不卡在线一区二区三区高清不卡视频我不卡手机影院国产午夜精品一区二区三区不卡2019午夜75福利不卡片在线强乱中文字幕在线播放不卡神马影院我不卡手机版中文字幕永久在线不卡亚洲欧美不卡视频在线播放，精品国产不卡一区二区三区我不卡影院日本三区不卡高清更新二区国产三级成人不卡在线观看神马三级我不卡一本到12不卡视频在线dvd国产在线精品一区二区不卡欧美国产日本高清不卡手机在线不卡一区二区国内一点不卡在线播放视频日本免费最新高清不卡视频，不卡影院成年动漫3d无尽视频不卡日本一区二区三区不卡视频2019最新国产高清不卡a日本熟妇色在线视频不卡2019午夜福利不卡片在线狠狠躁夜夜躁人人爽天天不卡一本之道高清在线不卡视频欧美午夜不卡在线观看午夜欧美不卡在线观看视频午夜福利09不卡片在线机视频，午夜福利不卡片在线播放在线不卡不卡网日本高清不卡一区二区三区国内一本到不卡在线观看中文字幕免费视频不卡在线不卡日本v一区二区日产乱码一至六区不卡不卡无线在一二三区1区1区3区290区不卡乱码不卡美剧</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>