基于jquery鼠标点击其它地方隐藏层的实例代码

效果图:

下面的代码运行后，需要再刷新一下。

<!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><link rel="dns-prefetch" href="//www.jiangweishan.com"><link rel="dns-prefetch" href="//jiangweishan.comsearch.php"><link rel="dns-prefetch" href="//shang.qq.com"><link rel="dns-prefetch" href="//files.jb51.net"><link rel="dns-prefetch" href="//www.w3.org"><link rel="dns-prefetch" href="//demo.jb51.net"><link rel="dns-prefetch" href="//www.jb51.net"><link rel="dns-prefetch" href="//pic002.cnblogs.com"><link rel="dns-prefetch" href="//www.mockplus.cn"><link rel="dns-prefetch" href="//www.aliyun.com"><link rel="dns-prefetch" href="//pagead2.googlesyndication.com"><link rel="dns-prefetch" href="//weibo.com"><link rel="dns-prefetch" href="//beian.miit.gov.cn"><link rel="dns-prefetch" href="//hm.baidu.com"><link rel="dns-prefetch" href="//www.zblogcn.com"><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>test</title><style type="text/css"> .div_d{ padding:10<a href="//jiangweishan.com/tags/px/" target="_blank">px</a>; <a href="//jiangweishan.com/tags/border/" target="_blank">border</a>:1px dotted red; <a href="//jiangweishan.com/tags/position/" target="_blank">position</a>:absolute; display:none; <a href="//jiangweishan.com/tags/cursor/" target="_blank">cursor</a>:po<a href="//jiangweishan.com/tags/int/" target="_blank">int</a>er;} </style><script src="http://demo.jb51.net/jslib/jquery/jquery.js"></script><script type="text/javascript"> $(<a href="//jiangweishan.com/tags/function/" target="_blank">function</a>(){ $("<a href="//jiangweishan.com/tags/input/" target="_blank">input</a>[id=search]").focus(function(<a href="//jiangweishan.com/tags/even/" target="_blank">even</a>){ <a href="//jiangweishan.com/tags/var/" target="_blank">var</a> pos=$(<a href="//jiangweishan.com/tags/this/" target="_blank">this</a>).offset(); $(".div_d").<a href="//jiangweishan.com/tags/CSS/" target="_blank">CSS</a>({left:pos.left,top:pos.top+20+"px",display:"<a href="//jiangweishan.com/tags/block/" target="_blank">block</a>"}); }); <a href="//jiangweishan.com/tags/document/" target="_blank">document</a>.onclick=function(e){ var e=e?e:<a href="//jiangweishan.com/tags/window/" target="_blank">window</a>.event; var tar = e.srcEl<a href="//jiangweishan.com/tags/em/" target="_blank">em</a>ent||e.tar<a href="//jiangweishan.com/tags/get/" target="_blank">get</a>; if(tar.id!="search"){ if($(tar).<a href="//jiangweishan.com/tags/attr/" target="_blank">attr</a>("<a href="//jiangweishan.com/tags/class/" target="_blank">class</a>")=="div_d"){ $(".div_d").<a href="//jiangweishan.com/tags/css/" target="_blank">css</a>("display","block") }else{ $(".div_d").css("display","none"); } } } }) </script></head><body style=" padding-left:300px;"><input id="search"><div class="div_d"><a href="http://www.jb51.net" target="_blank">脚本之家</a>介绍信息</div></body></html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]