JS获取浏览器语言（中英文多语言站）并自动跳转代码

JS获取浏览器语言并自动跳转源码

<script>
    window.onload = function IEVersion() {
        var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
        var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1; //判断是否IE<11浏览器
        if (isIE) {
            var reIE = new RegExp("MSIE (\d+\.\d+);");
            reIE.test(userAgent);
            var fIEVersion = parseFloat(RegExp["$1"]);
            if (fIEVersion == 8) {
                document.getElementById("vcontrol")
                    .style.display = 'none';
            }
        }
    }
    
    var type = navigator.appName;
    if (type == "Netscape") {
        var lang = navigator.language; //获取浏览器配置语言，支持非IE浏览器
    } else {
        var lang = navigator.userLanguage; //获取浏览器配置语言，支持IE5+ == navigator.systemLanguage
    };
    
    var url = window.location.search;
    console.log(url);
    console.log(url.indexOf("?lang=zh"));
    if (url.indexOf("?lang=zh") == -1) {
        //取得浏览器语言的前两个字母
        var lang = lang.substr(0, 2)
        // 英语
        
        if (lang == "zh") {
            //window.location.href="https://www.xzo.com.cn/"
            
        } else if (lang == "fr") {
            window.location.href = "https://fr.xzo.com.cn/"
            
        } else if (lang == "ar") {
            window.location.href = "https://ar.xzo.com.cn/"
            
        } else if (lang == "ru") {
            window.location.href = "https://ru.xzo.com.cn/"
            
        } else {
            // 除上面所列的语言
            window.location.href = "https://en.xzo.com.cn/"
        }
    }
</script>