来自163.com
function fGetVersion()
...{
var userAgent = window.navigator.userAgent.toLowerCase();
var AppName = "";
var Version = "";
var Sys = "";
if(userAgent.indexOf("msie")>-1)...{
AppName = "msie";
Version = userAgent.replace(/.+msie/gi,"").replace(/;.+/gi,"") - 0; 
}else if(userAgent.toUpperCase().indexOf("firefox")>-1)...{
AppName = "firefox";
Version = userAgent.replace(/.+firefox//gi,"").replace(/(.*)/g,"") - 0;
}else if(userAgent.toUpperCase().indexOf("netscape")>-1)...{
AppName = "netscape";
Version = userAgent.replace(/.+netscape//gi,"").replace(/(.*)/g,"") - 0;
}
if((AppName == "msie" && Version < 5) || (AppName == "firefox" && Version <1) || (AppName == "netscape" && Version<7.2) || userAgent.indexOf("macintosh") != -1 || userAgent.indexOf("konqueror") != -1 || userAgent.indexOf("safari") != -1 || userAgent.indexOf("camino") != -1)...{
document.location.href = "出错处理页面";
}
}
本文提供了一段JavaScript代码,用于检测用户的浏览器类型及其版本,并针对过时或不支持的浏览器进行跳转处理。该脚本支持IE、Firefox和Netscape等浏览器。
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