JS获取浏览器信息

console.log(initBrowserType());

 function initBrowserType() {
  var that = this;
  var packageName = "whyun";
  if (!window[packageName]) {
    window[packageName] = {};
  }
  var MAX_360_CHROME_VERSION = 69; //以360极速浏览器的最大内核版本为准
  function getIOSVersion(ua) {
    if (/cpu (?:iphone )?os (\d+_\d+)/.test(ua)) {
      return parseFloat(RegExp.$1.replace("_", "."));
    } else {
      return 2;
    }
  }
  function _mime(where, value, name, nameReg) {
    var mimeTypes = window.navigator.mimeTypes,
      i;

    for (i in mimeTypes) {
      if (mimeTypes[i][where] == value) {
        if (name !== undefined && nameReg.test(mimeTypes[i][name])) return !0;
        else if (name === undefined) return !0;
      }
    }
    return !1;
  }
  var browser360 = {
    result: "Chrome",
    details: {
      Chrome: 5,
      Chromium: 0,
      _360SE: 0,
      _360EE: 0
    },
    sorted: ["Chrome", "360SE", "360EE", "Chromium"],
    check: function () {
      var init = {
        Chrome: 5,
        Chromium: 0,
        _360SE: 0,
        _360EE: 0
      };

      var plugins = window.navigator.plugins;

      var webstore = window.chrome.webstore;
      var webstoreLen = Object.keys(webstore).length;
      var pluginsLen = plugins.length;

      if (
        (window.clientInformation.languages || (init._360SE += 8),
          /zh/i.test(navigator.language) && ((init._360SE += 3), (init._360EE += 3)),
          window.clientInformation.languages)
      ) {
        var lanLen = window.clientInformation.languages.length;
        if (lanLen >= 3) {
          (init.Chrome += 10), (init.Chromium += 6);
        } else if (2 == lanLen) {
          (init.Chrome += 3), (init.Chromium += 6), (init._360EE += 6);
        } else if (1 == lanLen) {
          (init.Chrome += 4), (init.Chromium += 4);
        }
      }
      var pluginFrom,
        maybe360 = 0;
      for (var r in plugins) {
        if ((pluginFrom = /^(.+) PDF Viewer$/.exec(plugins[r].name))) {
          if ("Chrome" == pluginFrom[1]) {
            (init.Chrome += 6), (init._360SE += 6), (maybe360 = 1);
          } else if ("Chromium" == pluginFrom[1]) {
            (init.Chromium += 10), (init._360EE += 6), (maybe360 = 1);
          }
        } else if ("np-mswmp.dll" == plugins[r].filename) {
          (init._360SE += 20), (init._360EE += 20);
        }
      }

      maybe360 || (init.Chromium += 9);
      if (webstoreLen <= 1) {
        init._360SE += 7;
      } else {
        init._360SE += 4;
        init.Chromium += 3;
        if (pluginsLen >= 30) {
          (init._360EE += 7), (init._360SE += 7), (init.Chrome += 7);
        } else if (pluginsLen < 30 && pluginsLen > 10) {
          (init._360EE += 3), (init._360SE += 3), (init.Chrome += 3);
        } else {
          init.Chromium += 6;
        }
      }

      var m = new Object();
      (m.Chrome = init.Chrome),
        (m.Chromium = init.Chromium),
        (m["360SE"] = init._360SE),
        (m["360EE"] = init._360EE);
      var s = [];
      for (var u in m) {
        s.push([u, m[u]]);
      }
      s.sort(function (e, i) {
        return i[1] - e[1];
      });
      this.sorted = s;
      this.details = init;
      this.result = s[0][0] || "";

      return this.result.toLowerCase();
    }
  };
  /**
   * 获取 Chromium 内核浏览器类型
   * @link http://www.adtchrome.com/js/help.js
   * @link https://ext.chrome.360.cn/webstore
   * @link https://ext.se.360.cn
   * @return {String}
   *         360ee 360极速浏览器
   *         360se 360安全浏览器
   *         sougou 搜狗浏览器
   *         liebao 猎豹浏览器
   *         chrome 谷歌浏览器
   *         ''    无法判断
   */

  function _getChromiumType(version) {
    if (window.scrollMaxX !== undefined) return "";

    var doc = document;
    var _track = "track" in doc.createElement("track"),
      appVersion = window.navigator.appVersion,
      external = window.external;

    // 搜狗浏览器
    if (external && "SEVersion" in external) return "搜狗浏览器";

    // 猎豹浏览器
    if (external && "LiebaoGetVersion" in external) return "猎豹浏览器";

    if (/QQBrowser/.test(appVersion)) {
      //qq浏览器
      return "qq浏览器";
    }
    if (/Maxthon/.test(appVersion)) {
      //遨游浏览器
      return "遨游浏览器";
    }
    if (/TaoBrowser/.test(appVersion)) {
      //淘宝浏览器
      return "淘宝浏览器";
    }
    if (/BIDUBrowser/.test(appVersion)) {
      //百度浏览器
      return "baidu";
    }
    if (/UBrowser/.test(appVersion)) {
      //UC浏览器
      return "UC浏览器";
    }

    if (window.navigator.vendor && window.navigator.vendor.indexOf("Opera") == 0) {
      //opera
      return "欧朋浏览器";
    }
    // chrome
    // if (window.clientInformation && window.clientInformation.languages && window.clientInformation.languages.length > 2) {
    //     return 'chrome';
    // }
    var p = navigator.platform.toLowerCase();
    if (p.indexOf("mac") == 0 || p.indexOf("linux") == 0) {
      return "谷歌浏览器";
    }
    if (parseInt(version) > MAX_360_CHROME_VERSION) {
      return "谷歌浏览器";
    }
    // var webstoreKeysLength = window.chrome && window.chrome.webstore ? Object.keys(window.chrome.webstore).length : 0;
    // if (_track) {
    //     // 360极速浏览器
    //     // 360安全浏览器
    //     return webstoreKeysLength > 1 ? '360ee' : '360se';
    // }

    return browser360.check();
  }
  var client = (function () {
    var browser = {};

    var ua = navigator.userAgent.toLowerCase();
    var s;
    if ((s = ua.match(/rv:([\d.]+)\) like gecko/))) {
      browser.name = "ie";
      browser["ie"] = s[1];
    } else if ((s = ua.match(/msie ([\d.]+)/))) {
      browser.name = "ie";
      browser["ie"] = s[1];
    } else if ((s = ua.match(/edge\/([\d.]+)/))) {
      browser.name = "edge";
      browser["edge"] = s[1];
    } else if ((s = ua.match(/firefox\/([\d.]+)/))) {
      browser.name = "firefox";
      browser["firefox"] = s[1];
    } else if ((s = ua.match(/chrome\/([\d.]+)/))) {
      browser.name = "chrome";
      browser["chrome"] = s[1];
      var type = _getChromiumType(browser["chrome"]);
      if (type) {
        browser["chrome"] += "(" + type + ")";
      }
    } else if ((s = ua.match(/opera.([\d.]+)/))) {
      browser.name = "opera";
      browser["opera"] = s[1];
    } else if ((s = ua.match(/version\/([\d.]+).*safari/))) {
      browser.name = "safari";
      browser["safari"] = s[1];
    } else {
      browser.name = "unknown";
      browser["unknow"] = 0;
    }

    var system = {};

    //detect platform
    //        var p = navigator.platform.toLowerCase();
    if (ua.indexOf("iphone") > -1) {
      system.name = "iphone";
      system.iphone = getIOSVersion(ua);
    } else if (ua.indexOf("ipod") > -1) {
      system.name = "ipod";
      system.ipod = getIOSVersion(ua);
    } else if (ua.indexOf("ipad") > -1) {
      system.name = "ipad";
      system.ipad = getIOSVersion(ua);
    } else if (ua.indexOf("nokia") > -1) {
      system.name = "nokia";
      system.nokia = true;
    } else if (/android (\d+\.\d+)/.test(ua)) {
      system.name = "android";
      system.android = parseFloat(RegExp.$1);
    } else if (ua.indexOf("win") > -1) {
      system.name = "win";

      if (/win(?:dows )?([^do]{2})\s?(\d+\.\d+)?/.test(ua)) {
        if (RegExp["$1"] == "nt") {
          switch (RegExp["$2"]) {
            case "5.0":
              system.win = "2000";
              break;
            case "5.1":
              system.win = "XP";
              break;
            case "6.0":
              system.win = "Vista";
              break;
            case "6.1":
              system.win = "7";
              break;
            case "6.2":
              system.win = "8";
              break;
            case "6.3":
              system.win = "8.1";
              break;
            case "10.0":
              system.win = "10";
              break;
            default:
              system.win = "NT";
              break;
          }
        } else if (RegExp["$1"] == "9x") {
          system.win = "ME";
        } else {
          system.win = RegExp["$1"];
        }
      }
    } else if (ua.indexOf("mac") > -1) {
      system.name = "mac";
    } else if (ua.indexOf("linux") > -1) {
      system.name = "linux";
    }
    var str =
      system.name +
      (system[system.name] || "") +
      "|" +
      browser.name +
      browser[browser.name];
    var isMobile =
      system.android ||
      system.iphone ||
      system.ios ||
      system.ipad ||
      system.ipod ||
      system.nokia;
    // console.log(str, "33333333")
    that.sysType = system.name + system.win
    that.browserType = str.split("|")[1]
    return {
      browser: browser,
      system: system,
      isMobile: isMobile,
      string: str
    };
  })();
  window[packageName]["browser"] = client;
  return client.string
}