JS判断设备终端（PC，iPad，iPhone，android，winPhone）和浏览器

JS判断设备终端（PC，iPad，iPhone，android，winPhone）和浏览器

var ua = navigator.userAgent;
        var browser = {},
            weixin = ua.match(/MicroMessenger/([^s]+)/i),
            webkit = ua.match(/WebKit/([d.]+)/i),
            android = ua.match(/(Android)s+([d.]+)/i),
            ipad = ua.match(/(iPad).*OSs([d_]+)/i),
            ipod = ua.match(/(iPod).*OSs([d_]+)/i),
            iphone = !ipod && !ipad && ua.match(/(iPhonesOS)s([d_]+)/i),
            webos = ua.match(/(webOS|hpwOS)[s/]([d.]+)/i),
            touchpad = webos && ua.match(/TouchPad/i),
            kindle = ua.match(/Kindle/([d.]+)/i),
            silk = ua.match(/Silk/([d._]+)/i),
            blackberry = ua.match(/(BlackBerry).*Version/([d.]+)/i),
            mqqbrowser = ua.match(/MQQBrowser/([d.]+)/i),
            chrome = ua.match(/CriOS/([d.]+)/i),
            opera = ua.match(/Opera/([d.]+)/i),
            safari = ua.match(/Safari/([d.]+)/i);