舍弃ie9以下浏览器

作者: admin 分类: js 发布时间: 2017-04-03 06:04
(function(window) {
     var theUA = window.navigator.userAgent.toLowerCase();
     if ((theUA.match(/msie\s\d+/) && theUA.match(/msie\s\d+/)[0]) || (theUA.match(/trident\s?\d+/) && theUA.match(/trident\s?\d+/)[0])) {
         var ieVersion = theUA.match(/msie\s\d+/)[0].match(/\d+/)[0] || theUA.match(/trident\s?\d+/)[0];
         if (ieVersion < 9) {
             var str = "你的浏览器版本太low了\n已经和时代脱轨了 :(";
             var str2 = "推荐使用:<a href='https://www.baidu.com/s?ie=UTF-8&wd=%E8%B0%B7%E6%AD%8C%E6%B5%8F%E8%A7%88%E5%99%A8' target='_blank' style='color:#cc0'>谷歌</a>,"
             + "<a href='https://www.baidu.com/s?ie=UTF-8&wd=%E7%81%AB%E7%8B%90%E6%B5%8F%E8%A7%88%E5%99%A8' target='_blank' style='color:#cc0'>火狐</a>,"
             + "<a href='https://www.baidu.com/s?ie=UTF-8&wd=%E7%8C%8E%E8%B1%B9%E6%B5%8F%E8%A7%88%E5%99%A8' target='_blank' style='color:#cc0'>猎豹</a>,其他双核急速模式";
             document.writeln("<pre style='text-align:center;color:#fff;background-color:#0cc; height:100%;border:0;position:fixed;top:0;left:0;width:100%;z-index:1234'>" + 
             "<h2 style='padding-top:200px;margin:0'><strong>" + str + "<br/></strong></h2><p>" + 
             str2 + "</p><h2 style='margin:0'><strong>如果你的使用的是双核浏览器,请切换到极速模式访问<br/></strong></h2></pre>");
             document.execCommand("Stop");
         };
     }
 })(window); 

 

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