图片延时加载原生JS特效广告代码-JS特效-爱易网页

图片延时加载原生JS特效广告代码

日期：2014-05-18　浏览次数：20358 次

以下是程序代码

<!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>图片延时加载原生JS特效广告代码</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 url(http://js.aiyiweb.com/demo/yc/img/loading.gif) 50% 50% no-repeat;}
#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)
  }
 }
};
//延时加载
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
 }
};
//应用
fgm.on(window, "load", function () {new LazyLoad("box")});
</script>
<body>
<ul id="box">
    <li><img src="http://js.aiyiweb.com/demo/yc/img/none.gif" data-img="http://js.aiyiweb.com/demo/mobileapp_website/demo.jpg" /></li>
    <li><img src="http://js.aiyiweb.com/demo/yc/img/none.gif" data-img="http://js.aiyiweb.com/demo/HoverSlideEffect/de</div></div>

<div class="clearfix"></div>
                    </div>
                    <nav aria-label="...">
                        <ul class="pager">
                            <li class="previous"><a href="4667">上一篇：狡猾的按钮特效</a></li>

<li class="next"><a href="1075">下一篇：带缓冲效果的上翻图片轮播特效代码</a></li>
                        </ul>
                    </nav>

<div class="alert alert-warning" role="alert">
                        <strong>免责声明：</strong> 本文仅代表作者个人观点，与爱易网无关。其原创性以及文中陈述文字和内容未经本站证实，对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不作任何保证或承诺，请读者仅作参考，并请自行核实相关内容。
                    </div>

<div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/435' title='神州泰岳雪上加霜：副总违规买卖遭罚' target="_blank">
                        神州泰岳雪上加霜：副总违规买卖遭罚</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/10835' title='传诺基亚5月14日发布会推出Lumia 950' target="_blank">
                        传诺基亚5月14日发布会推出Lumia 950</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34255' title='盛大游戏走向衰落的根源：免费游戏模式惹的祸' target="_blank">
                        盛大游戏走向衰落的根源：免费游戏模式惹的祸</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34362' title='互联网金融一周年：余额宝最接地气，比特币最作死' target="_blank">
                        互联网金融一周年：余额宝最接地气，比特币最作死</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/6853' title='传运营商高层将变化 专家称需体制革新' target="_blank">
                        传运营商高层将变化 专家称需体制革新</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/10816' title='微软很“捉急”：补贴Win8 重加末尾按钮' target="_blank">
                        微软很“捉急”：补贴Win8 重加末尾按钮</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34191' title='美国政府关门可能影响去哪儿等公司IPO' target="_blank">
                        美国政府关门可能影响去哪儿等公司IPO</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34428' title='喜大普奔：2016年国内乘客有望在飞机上使用手机' target="_blank">
                        喜大普奔：2016年国内乘客有望在飞机上使用手机</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34207' title='可靠消息称微型针孔偷拍设备拟全面禁止' target="_blank">
                        可靠消息称微型针孔偷拍设备拟全面禁止</a></li></div>
                   
                
        </ol>
    </div>
</div>

</div>

</div>
            </div>
            <div class="clearfix"></div>

<footer class=" footer navbar-bottom">
<em>友情链接：</em>
    
      <a href="http://www.aiyiweb.com/" target="_blank">爱易网 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">云虚拟主机技术 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">云服务器技术 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">程序设计技术 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">开发网站 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">APP开发教程 </a>            
    
<br />
<script type="text/javascript">(function(){document.write(unescape('%3Cdiv id="bdcs"%3E%3C/div%3E'));var bdcs = document.createElement('script');bdcs.type = 'text/javascript';bdcs.async = true;bdcs.src = 'http://znsv.baidu.com/customer_search/api/js?sid=15239353030108964139' + '&plate_url=' + encodeURIComponent(window.location.href) + '&t=' + Math.ceil(new Date()/3600000);var s = document.getElementsByTagName('script')[0];s.parentNode.insertBefore(bdcs, s);})();</script>

Copyright © 2013-2026 爱易网页 当前在线：4137人　
        网站在19时30分50秒内访问总人数：490741人
    2秒前 12.41%
　<a href="https://beian.miit.gov.cn" target="_blank">粤ICP备18100884号-2 </a>
<script charset="UTF-8" id="LA_COLLECT" src="//sdk.51.la/js-sdk-pro.min.js"></script>
<script>LA.init({ id: "JszEmKrtpbU59dY5", ck: "JszEmKrtpbU59dY5" })</script>

</footer>

</div>
   
</body>
</html>