AlphaTab.Platform.JavaScript.JsFileLoader.GetIEVersion C# (CSharp) Method

        public static float GetIEVersion()
        {
            float rv = -1;
            var appName = navigator.appName;
            string agent = navigator.userAgent;
            if (appName == "Microsoft Internet Explorer")
            {
                var r = new JsRegExp("MSIE ([0-9]{1,}[\\.0-9]{0,})");
                var m = r.exec(agent);
                if (m != null)
                {
                    rv = Std.ParseFloat(m[1]);
                }
            }
            return rv;
        }