js获取当前设备信息

/* 版本信息获取 */
    // 各主流浏览器
    getBrowser() {
      var u = navigator.userAgent
      var bws = [{
        name: 'sgssapp',
        it: /sogousearch/i.test(u)
      }, {
        name: 'wechat',
        it: /MicroMessenger/i.test(u)
      }, {
        name: 'weibo',
        it: !!u.match(/Weibo/i)
      }, {
        name: 'uc',
        it: !!u.match(/UCBrowser/i) || u.indexOf(' UBrowser') > -1
      }, {
        name: 'sogou',
        it: u.indexOf('MetaSr') > -1 || u.indexOf('Sogou') > -1
      }, {
        name: 'xiaomi',
        it: u.indexOf('MiuiBrowser') > -1
      }, {
        name: 'baidu',
        it: u.indexOf('Baidu') > -1 || u.indexOf('BIDUBrowser') > -1
      }, {
        name: '360',
        it: u.indexOf('360EE') > -1 || u.indexOf('360SE') > -1
      }, {
        name: '2345',
        it: u.indexOf('2345Explorer') > -1
      }, {
        name: 'edge',
        it: u.indexOf('Edge') > -1
      }, {
        name: 'ie11',
        it: u.indexOf('Trident') > -1 && u.indexOf('rv:11.0') > -1
      }, {
        name: 'ie',
        it: u.indexOf('compatible') > -1 && u.indexOf('MSIE') > -1
      }, {
        name: 'firefox',
        it: u.indexOf('Firefox') > -1
      }, {
        name: 'safari',
        it: u.indexOf('Safari') > -1 && u.indexOf('Chrome') === -1
      }, {
        name: 'qqbrowser',
        it: u.indexOf('MQQBrowser') > -1 && u.indexOf(' QQ') === -1
      }, {
        name: 'qq',
        it: u.indexOf('QQ') > -1
      }, {
        name: 'chrome',
        it: u.indexOf('Chrome') > -1 || u.indexOf('CriOS') > -1
      }, {
        name: 'opera',
        it: u.indexOf('Opera') > -1 || u.indexOf('OPR') > -1
      }]
      for (var i = 0; i < bws.length; i++) {
        if (bws[i].it) {
          return bws[i].name
        }
      }

      return 'other'
    },
    // 系统区分
    getOS() {
      var u = navigator.userAgent
      if (!!u.match(/compatible/i) || u.match(/Windows/i)) {
        return 'windows'
      } else if (!!u.match(/Macintosh/i) || u.match(/MacIntel/i)) {
        return 'macOS'
      } else if (!!u.match(/iphone/i) || u.match(/Ipad/i)) {
        return 'ios'
      } else if (u.match(/android/i)) {
        return 'android'
      } else if (u.match(/Ubuntu/i)) {
        return 'Ubuntu'
      } else {
        return 'other'
      }
    }
原文地址:https://www.cnblogs.com/moluxi/p/14299089.html