js判断操作系统版本及浏览器信息

 js判断操作系统版本及浏览器信息

var getOSAndBrowser = function () {  
            var os = navigator.platform;  
            var userAgent = navigator.userAgent;  
            var info = "";  
            var tempArray = "";  
            //判断操作系统  
            if (os.indexOf("Win") > -1) {  
                if (userAgent.indexOf("Windows NT 5.0") > -1) {  
                    info += "Win2000";  
                } else if (userAgent.indexOf("Windows NT 5.1") > -1) {  
                    info += "WinXP";  
                } else if (userAgent.indexOf("Windows NT 5.2") > -1) {  
                    info += "Win2003";  
                } else if (userAgent.indexOf("Windows NT 6.0") > -1) {  
                    info += "WindowsVista";  
                } else if (userAgent.indexOf("Windows NT 6.1") > -1 || userAgent.indexOf("Windows 7") > -1) {  
                    info += "Win7";  
                } else if (userAgent.indexOf("Windows NT 6.2") > -1 || userAgent.indexOf("Windows 8") > -1) {  
                    info += "Win8";  
                } else if (userAgent.indexOf("Windows NT 6.3") > -1 || userAgent.indexOf("Windows 8.1") > -1) {  
                    info += "Win8.1";  
                } else if (userAgent.indexOf("Windows NT 10.0") > -1 || userAgent.indexOf("Windows 10") > -1) {  
                    info += "Win10";  
                }  
                else {  
                    info += "Other";  
                }  
            } else if (os.indexOf("Mac") > -1) {  
                info += "Mac";  
            } else if (os.indexOf("X11") > -1) {  
                info += "Unix";  
            } else if (os.indexOf("Linux") > -1) {  
                info += "Linux";  
            } else {  
                info += "Other";  
            }  
            info += "/";  
  
  
            //判断浏览器版本  
            var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器  
            var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器  
            var isEdge = userAgent.toLowerCase().indexOf("edge") > -1 && !isIE; //判断是否IE的Edge浏览器  
            var isIE11 = (userAgent.toLowerCase().indexOf("trident") > -1 && userAgent.indexOf("rv") > -1);  
  
            if (/[Ff]irefox(\/\d+\.\d+)/.test(userAgent)) {  
                tempArray = /([Ff]irefox)\/(\d+\.\d+)/.exec(userAgent);  
                info += tempArray[1] + tempArray[2];  
            } else if (isIE) {  
  
                var version = "";  
                var reIE = new RegExp("MSIE (\\d+\\.\\d+);");  
                reIE.test(userAgent);  
                var fIEVersion = parseFloat(RegExp["$1"]);  
                if (fIEVersion == 7)  
                { version = "IE7"; }  
                else if (fIEVersion == 8)  
                { version = "IE8"; }  
                else if (fIEVersion == 9)  
                { version = "IE9"; }  
                else if (fIEVersion == 10)  
                { version = "IE10"; }  
                else  
                { version = "0" }  
  
                info += version;  
  
            } else if (isEdge) {  
                info += "Edge";  
            } else if (isIE11) {  
                info += "IE11";  
            } else if (/[Cc]hrome\/\d+/.test(userAgent)) {  
                tempArray = /([Cc]hrome)\/(\d+)/.exec(userAgent);  
                info += tempArray[1] + tempArray[2];  
            } else if (/[Vv]ersion\/\d+\.\d+\.\d+(\.\d)* *[Ss]afari/.test(userAgent)) {  
                tempArray = /[Vv]ersion\/(\d+\.\d+\.\d+)(\.\d)* *([Ss]afari)/.exec(userAgent);  
                info += tempArray[3] + tempArray[1];  
            } else if (/[Oo]pera.+[Vv]ersion\/\d+\.\d+/.test(userAgent)) {  
                tempArray = /([Oo]pera).+[Vv]ersion\/(\d+)\.\d+/.exec(userAgent);  
                info += tempArray[1] + tempArray[2];  
            } else {  
                info += "unknown";  
            }  
            return info;  
        };  
  
  
        alert(getOSAndBrowser());