2020-02-16 标签:js,实现,检测,浏览器,系统,函数,代码,如下,var,suseragent,n,avigator,useragent,fappversion,parsefloat,appversion,function,sversion

实现代码如下：var sUserAgent = navigator.userAgent; var fAppVersion = parseFloat(navigator.appVersion); function compareVersions(sVersion1, sVersion2) { var