延时加载图片
Posted jasonduanmu
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>css3</title> <style type="text/css"> *{ margin:0; padding: 0; } ul,li{ list-style: outside none none; } .box{ width: 600px; margin: 0 auto; } .box li{ margin: 40px 0; width: 100%; height: 170px; background: #ddd; } .box li img{ width: 100%; } </style> </head> <body> <div class="box"> <ul> <li><img x-src="img/1.jpg" alt=""></li> <li><img x-src="img/2.jpg" alt=""></li> <li><img x-src="img/3.jpg" alt=""></li> <li><img x-src="img/4.jpg" alt=""></li> <li><img x-src="img/5.jpg" alt=""></li> <li><img x-src="img/1.jpg" alt=""></li> <li><img x-src="img/2.jpg" alt=""></li> <li><img x-src="img/3.jpg" alt=""></li> <li><img x-src="img/4.jpg" alt=""></li> <li><img x-src="img/5.jpg" alt=""></li> <li><img x-src="img/1.jpg" alt=""></li> <li><img x-src="img/2.jpg" alt=""></li> <li><img x-src="img/3.jpg" alt=""></li> <li><img x-src="img/4.jpg" alt=""></li> <li><img x-src="img/5.jpg" alt=""></li> <li><img x-src="img/1.jpg" alt=""></li> <li><img x-src="img/2.jpg" alt=""></li> <li><img x-src="img/3.jpg" alt=""></li> <li><img x-src="img/4.jpg" alt=""></li> <li><img x-src="img/5.jpg" alt=""></li> <li><img x-src="img/1.jpg" alt=""></li> <li><img x-src="img/2.jpg" alt=""></li> <li><img x-src="img/3.jpg" alt=""></li> <li><img x-src="img/4.jpg" alt=""></li> <li><img x-src="img/5.jpg" alt=""></li> </ul> </div> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript"> $(function(){ function showImg(){ $(‘img‘).each(function(index,ele){ if($(this).offset().top<$(window).height()+$(window).scrollTop()){ var oSrc = $(this).attr(‘x-src‘); $(this).attr(‘src‘,oSrc); } }) } showImg(); $(window).scroll(function(){ showImg(); }); }); </script> </body> </html>
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