JS实现带关闭功能的阿里妈妈网站顶部滑出banner工具条代码

摘要：本文实例讲述了JS实现带关闭功能的阿里妈妈网站顶部滑出banner工具条代码。分享给大家供大家参考。具体如下：这是一款阿里妈妈网站顶部ban...

本文实例讲述了JS实现带关闭功能的阿里妈妈网站顶部滑出banner工具条代码。分享给大家供大家参考。具体如下：

这是一款阿里妈妈网站顶部banner代码，采用滑出的方式，一个经典的工具条代码，可以当作菜单来用，同时还有完善的功能，可以适时关闭工具条，整体效果设计美观，简洁漂亮。

运行效果截图如下：

JS实现带关闭功能的阿里妈妈网站顶部滑出banner工具条代码1

在线演示地址如下：

http://demo.jb51.net/js/2015/js-top-float-banner-alimama-style-codes/

具体代码如下：

<!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> <title>阿里妈妈网站顶部banner代码</title> <style> body{margin:0px;padding:0px} .home_tx {PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BACKGROUND: url(images/hometx_03.gif); PADDING-BOTTOM: 0px; MARGIN: auto; OVERFLOW: hidden; WIDTH: 950px; PADDING-TOP: 0px} .home_tx IMG {BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px} .home_tx DL {PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FLOAT: left; PADDING-BOTTOM: 0px; MARGIN: 0px 10px 0px 0px; WIDTH: 61px; PADDING-TOP: 0px; HEIGHT: 37px} .home_tx SPAN {PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 12px; FLOAT: left; PADDING-BOTTOM: 0px; MARGIN: 0px; WIDTH: 830px; COLOR: #333333; LINE-HEIGHT: 34px; PADDING-TOP: 0px; HEIGHT: 37px; TEXT-ALIGN: left} .home_tx SPAN B {PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-WEIGHT: normal; FLOAT: left; PADDING-BOTTOM: 0px; MARGIN: 0px; COLOR: #990000; PADDING-TOP: 0px} .home_tx A {PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FLOAT: right; PADDING-BOTTOM: 0px; MARGIN: 0px; WIDTH: 35px; PADDING-TOP: 0px; HEIGHT: 37px} </style> </head> <body> <DIV id=home_tx> <DIV class=home_tx id=home_tx_in align=center> <DL><IMG src="images/hometx_01.gif"></DL><SPAN><B>查字典教程网提供asp、php、asp.net、javascript、jquery、vbscript、dos批处理、网页制作、网络编程、网站建设等编程资料。</B> <A href="#" target=_blank>详情>></A></SPAN> <A onfocus=this.blur() href="#"><IMG src="images/hometx_04.gif"></A> </DIV></DIV> <script> var is_home_tx_show = false; var div_home_tx = document.getElementById("home_tx"); var div_home_tx_in = document.getElementById("home_tx_in"); var stepms = 10; function home_tx_show(){ home_tx_stepshow(); } function home_tx_stepshow(){ var curHeight = parseInt(div_home_tx.offsetHeight); if(curHeight>=37){ is_home_tx_show = true; }else{ div_home_tx.style.height = (curHeight + 4) + "px"; div_home_tx_in.style.top = (parseInt(div_home_tx_in.style.top)+4)+"px"; window.setTimeout(home_tx_stepshow,30); } } function home_tx_hide(){ if(is_home_tx_show){ home_tx_stephide() }else{ window.setTimeout(home_tx_stephide,1200); } } function home_tx_stephide(){ var curHeight = parseInt(div_home_tx.style.height); if(curHeight<=0){ is_home_tx_show = false; }else{ try{ div_home_tx.style.height = (curHeight - 4) + "px"; div_home_tx_in.style.top = (parseInt(div_home_tx_in.style.top)-4)+"px"; window.setTimeout(home_tx_stephide,30); } catch(e) {} } } if(window.addEventListener){ window.addEventListener("load",home_tx_show,false); }else{ window.attachEvent("onload",home_tx_show); } </script> </body> </html>

希望本文所述对大家的JavaScript程序设计有所帮助。