jlb-tools/lib/getBrowserModel.js

js工具库

/**
 * 获取浏览器类型和版本
 * @return {string}
 */
function getBrowserModel() {
  var sys = {};
  var ua = navigator.userAgent.toLowerCase();
  var s = null;

  /* eslint-disable */
  (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] :
        (s = ua.match(/micromessenger\/([\d\.]+)/)) ? sys.micromessenger = s[1] :
        (s = u.match(/QQ\/([\d\.]+)/gi)) ? sys.qq = 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)
  if (sys.micromessenger) return ('Micromessenger:' + sys.micromessenger)
  if (sys.qq) return ('QQ:' + sys.qq)

  return 'Unknown'
};
module.exports = getBrowserModel;