最新最全的js判断移动设备及操作系统

var navigator = window.navigator,

    userAgent = navigator.userAgent,

    android = userAgent.match(/(Android)[\s\/]+([\d\.]+)/),

    ios = userAgent.match(/(iPad|iPhone|iPod)\s+OS\s([\d_\.]+)/),

    wp = userAgent.match(/(Windows\s+Phone)\s([\d\.]+)/),

    isWebkit = /WebKit\/[\d.]+/i.test(userAgent),

    isSafari = ios ? (navigator.standalone ? isWebkit : (/Safari/i.test(userAgent) && !/CriOS/i.test(userAgent) && !/MQQBrowser/i.test(userAgent))) : false,

    os = {};

if (android) {

    os.android = true;

    os.version = android[2];

}

if (ios) {

    os.ios = true;

    os.version = ios[2].replace(/_/g, '.');

    os.ios7 = /^7/.test(os.version);

    if (ios[1] === 'iPad') {

        os.ipad = true;

    } else if (ios[1] === 'iPhone') {

        os.iphone = true;

        os.iphone5 = window.screen.height == 568;

    } else if (ios[1] === 'iPod') {

        os.ipod = true;

    }

}

if (wp) {

    os.wp = true;

    os.version = wp[2];

    os.wp8 = /^8/.test(os.version);

}