移动平台设备检测库

;(function(){

    function device(ua) {
        var os = this.os = {},browser = this.browser = {},

        webkit = ua.match(/Web[kK]it[\/]{0,1}([\d.]+)/),
        android = ua.match(/(Android);?[\s\/]+([\d.]+)?/),
        osx = !!ua.match(/\(Macintosh\; Intel /),
        ipad = ua.match(/(iPad).*OS\s([\d_]+)/),
        ipod = ua.match(/(iPod)(.*OS\s([\d_]+))?/),
        iphone = !ipad && ua.match(/(iPhone\sOS)\s([\d_]+)/),
        webos = ua.match(/(webOS|hpwOS)[\s\/]([\d.]+)/),
        touchpad = webos && ua.match(/TouchPad/),
        kindle = ua.match(/Kindle\/([\d.]+)/),
        silk = ua.match(/Silk\/([\d._]+)/),
        blackberry = ua.match(/(BlackBerry).*Version\/([\d.]+)/),
        bb10 = ua.match(/(BB10).*Version\/([\d.]+)/),
        rimtabletos = ua.match(/(RIM\sTablet\sOS)\s([\d.]+)/),
        playbook = ua.match(/PlayBook/),
        uc = ua.match(/UCBrowser\/([\w.\s]+)/),
        chrome = ua.match(/Chrome\/([\d.]+)/) || ua.match(/CriOS\/([\d.]+)/),
        firefox = ua.match(/Firefox\/([\d.]+)/),
        ie = ua.match(/MSIE\s([\d.]+)/) || ua.match(/Trident\/[\d](?=[^\?]+).*rv:([0-9.].)/),
        webview = !chrome && ua.match(/(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/),
        safari = webview || ua.match(/Version\/([\d.]+)([^S](Safari)|[^M]*(Mobile)[^S]*(Safari))/),
        orientation = Math.abs(window.orientation)

        if (browser.webkit = !!webkit) browser.version = webkit[1]

        if (android) os.android = true, os.version = android[2]
        if (iphone && !ipod) os.ios = os.iphone = true, os.version = iphone[2].replace(/_/g, '.')
        if (ipad) os.ios = os.ipad = true, os.version = ipad[2].replace(/_/g, '.')
        if (ipod) os.ios = os.ipod = true, os.version = ipod[3] ? ipod[3].replace(/_/g, '.') : null
        if (webos) os.webos = true, os.version = webos[2]
        if (touchpad) os.touchpad = true
        if (blackberry) os.blackberry = true, os.version = blackberry[2]
        if (bb10) os.bb10 = true, os.version = bb10[2]
        if (rimtabletos) os.rimtabletos = true, os.version = rimtabletos[2]
        if (playbook) browser.playbook = true
        if (uc) os.uc = true, os.ucversion = uc[1]
        if (kindle) os.kindle = true, os.version = kindle[1]
        if (silk) browser.silk = true, browser.version = silk[1]
        if (!silk && os.android && ua.match(/Kindle Fire/)) browser.silk = true
        if (orientation !== 90) os.protrait = true
        if (orientation === 90) os.landscape = true

        if (chrome) browser.chrome = true, browser.version = chrome[1]
        if (firefox) browser.firefox = true, browser.version = firefox[1]
        if (ie) browser.ie = true, browser.version = ie[1]
        if (safari && (osx || os.ios)) {browser.safari = true; if (osx) browser.version = safari[1]}
        if (webview) browser.webview = true

        os.tablet = !!(ipad || playbook || (android && !ua.match(/Mobile/)) ||
        (firefox && ua.match(/Tablet/)) || (ie && !ua.match(/Phone/) && ua.match(/Touch/)))
        os.phone  = !!(!os.tablet && !os.ipod && (android || iphone || webos || blackberry || bb10 ||
        (chrome && ua.match(/Android/)) || (chrome && ua.match(/CriOS\/([\d.]+)/)) ||
        (firefox && ua.match(/Mobile/)) || (ie && ua.match(/Touch/))))
    }

    window.Device = new device(navigator.userAgent)

})();

//===== 调用方法 =====

// 设备平台
Device.os.phone
Device.os.tablet

// 设备系统
Device.os.ios
Device.os.android
Device.os.webos
Device.os.blackberry
Device.os.bb10
Device.os.rimtabletos

// 设备类型
Device.os.iphone
Device.os.ipad
Device.os.ipod
Device.os.touchpad
Device.os.kindle
Device.os.uc

// 浏览器类型
Device.browser.chrome
Device.browser.firefox
Device.browser.safari
Device.browser.webview 
Device.browser.silk
Device.browser.playbook
Device.browser.ie 

// 屏幕旋转
Device.os.protrait  // 横屏
Device.os.landscape // 竖屏

// iPhone
Device.os.phone
Device.os.iphone
Device.os.ios

// 版本号
Device.os.version
Device.os.ucversion
Device.browser.version

//参考 https://github.com/madrobby/zepto/blob/master/src/detect.js