Determine if the current device is a mobile device or a PC

var system={useragent:navigator.useragent.tolowercase (), name:function () {var bisipad = This.userAgent.match (/I            pad/i) = = "ipad";            var Bisiphoneos = This.userAgent.match (/iphone os/i) = = "iphone OS";            var BISMIDP = This.userAgent.match (/midp/i) = = "MIDP";            var bIsUc7 = This.userAgent.match (/rv:1.2.3.4/i) = = "rv:1.2.3.4";            var bisuc = This.userAgent.match (/ucweb/i) = = "UCWeb";            var bisandroid = This.userAgent.match (/android/i) = = "Android";            var bisce = This.userAgent.match (/windows ce/i) = = "Windows CE";            var biswm = This.userAgent.match (/windows mobile/i) = = "Windows Mobile";            var bisplaybook = This.userAgent.match (/playbook/i) = = "Playbook";            var bisblackberry = This.userAgent.match (/bb10/i) = = "BB10";                if (Bisipad | | bisiphoneos | | bismidp | | bIsUc7 | | bisuc | | bisandroid | | bisce | | biswm| | bisplaybook| | bisblackberry) {            return "Phone";   } else {             return "PC"; }        }        };

Determine whether the current device is a mobile device or a PC