获取各主流浏览器

function 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

// 系统区分
function 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 {
        return \'other\';
    }
}

 

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