日期:2014-05-16 浏览次数:20455 次
<!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>无标题文档</title> <script src="jquery.js" type="text/javascript"></script> <style type="text/css"> body{ margin:0 ; padding:0; } .face{} img{ border:none;} ul{ list-style:none} ul li a{ display:block; padding:10px; width:24px; height:24px;} </style> </head> <body> <ul class="face"> <li><a href="#" class="face"><img class="face" src="88.jpg" alt="img" /> </a></li> </ul> <script> $('a.face').bind('mouseenter', function() { $('img.face').attr("src","88.gif"); }); $('a.face').bind('mouseleave', function() { $('img.face').attr("src","88.jpg"); }); </script> </body> </html>
<!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>无标题文档</title> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script> <style type="text/css"> body{ margin:0 ; padding:0; } .face{} img{ border:none;} ul{ list-style:none} ul li a{ display:block; padding:10px; width:24px; height:24px;} </style> </head> <body> <ul class="face"> <li><a href="#" class="face"><img class="face" src="88.jpg" alt="img" /> </a></li> </ul> <script> $(function(){ $('a.face').hover(function(){ var obj = $(this).find("img.face"); obj.attr("src", obj.attr("src").replace(/jpg$/i,"gif")); },function(){ var obj = $(this).find("img.face"); obj.attr("src", obj.attr("src").replace(/gif$/i,"jpg")); }); }); </script> </body> </html>
------解决方案--------------------
这里用正则替换一下后缀就可以实现了
$('a.face').hover(function(){
$(this).find("img.face").attr("src", function(index, attr){
return attr.replace(/jpg$/i,"gif");
});
},function(){
$(this).find("img.face").attr("src", function(index, attr){
return attr.replace(/gif$/i,"jpg");
});
});