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  • javascript判断浏览器类型和版本

    post by onelong / 2009-10-6 20:40 Tuesday [javascript]

    <script type="text/javascript">
            var Sys = {};
            var ua = navigator.userAgent.toLowerCase();
            var s;
            (s = ua.match(/msie ([\d.]+)/)) ? Sys.ie = s[1] :
            (s = ua.match(/firefox\/([\d.]+)/)) ? Sys.firefox = s[1] :
            (s = ua.match(/chrome\/([\d.]+)/)) ? Sys.chrome = s[1] :
            (s = ua.match(/opera.([\d.]+)/)) ? Sys.opera = s[1] :
            (s = ua.match(/version\/([\d.]+).*safari/)) ? Sys.safari = s[1] : 0;
            //以下进行测试
            if (Sys.ie) document.write('IE: ' + Sys.ie);
            if (Sys.firefox) document.write('Firefox: ' + Sys.firefox);
            if (Sys.chrome) document.write('Chrome: ' + Sys.chrome);
            if (Sys.opera) document.write('Opera: ' + Sys.opera);
            if (Sys.safari) document.write('Safari: ' + Sys.safari);
    </script>

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