js 获取浏览器类型和版本


function getExplore(){
  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(/edge\/([\d\.]+)/)) ? Sys.edge = s[1] :
  (s = ua.match(/firefox\/([\d\.]+)/)) ? Sys.firefox = s[1] :  
  (s = ua.match(/(?:opera|opr).([\d\.]+)/)) ? Sys.opera = s[1] :  
  (s = ua.match(/chrome\/([\d\.]+)/)) ? Sys.chrome = s[1] :  
  (s = ua.match(/version\/([\d\.]+).*safari/)) ? Sys.safari = s[1] : 0;  
  // 根据关系进行判断
  if (Sys.ie) return ('IE: ' + Sys.ie);  
  if (Sys.edge) return ('EDGE: ' + Sys.edge);
  if (Sys.firefox) return ('Firefox: ' + Sys.firefox);  
  if (Sys.chrome) return ('Chrome: ' + Sys.chrome);  
  if (Sys.opera) return ('Opera: ' + Sys.opera);  
  if (Sys.safari) return ('Safari: ' + Sys.safari);
  return 'Unkonwn';
}
var browserVersion = getExplore();  //获取浏览器类型和版本

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转载自qiqiliu.iteye.com/blog/2393004