获取浏览器类型

var Compatibility = {};
Compatibility.kit = function () {
return {
/*获取浏览器类型 IE7返回7 IE8返回8 IE9返回9 IE10返回10 IE11返回11 火狐返回0 谷歌返回1 其它返回-1*/
getBrowser: function () {
var Sys = {};
var ua = navigator.userAgent.toLowerCase();
var s;
(s = ua.match(/rv:([\d.]+)\) like gecko/)) ? Sys.ie = s[1] :
(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;
if (Sys.ie) {
if (Sys.ie.toString() == "7.0") {
return 7;
} else if (Sys.ie.toString() == "8.0") {
return 8;
} else if (Sys.ie.toString() == "9.0") {
return 9;
} else if (Sys.ie.toString() == "10.0") {
return 10;
} else if (Sys.ie.toString() == "11.0") {
return 11;
}
} else if (Sys.firefox) {
return 0;
} else if (Sys.chrome) {
return 1;
} else {
return -1;
}
}
};
}();