JS detect whether the current device is a PC or a mobile terminal

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Method 1:

functionIsPC () {varUseragentinfo =navigator.useragent; varAgents = ["Android", "IPhone",                    "SymbianOS", "Windows Phone",                    "IPad", "IPod"]; varFlag =true;  for(varv = 0; v < agents.length; v++) {            if(Useragentinfo.indexof (agents[v]) > 0) {flag=false;  Break; }        }        returnFlag; }

Method 2:

function Browserredirect () {
var suseragent = Navigator.userAgent.toLowerCase ();
var bisipad = Suseragent.match (/ipad/i) = = "ipad";
var Bisiphoneos = Suseragent.match (/iphone os/i) = = "iphone OS";
var BISMIDP = Suseragent.match (/midp/i) = = "MIDP";
var bIsUc7 = Suseragent.match (/rv:1.2.3.4/i) = = "rv:1.2.3.4";
var bisuc = Suseragent.match (/ucweb/i) = = "UCWeb";
var bisandroid = Suseragent.match (/android/i) = = "Android";
var bisce = Suseragent.match (/windows ce/i) = = "Windows CE";
var biswm = Suseragent.match (/windows mobile/i) = = "Windows Mobile";
if (! ( Bisipad | | Bisiphoneos | | BISMIDP | | BIsUc7 | | Bisuc | | bisandroid | | Bisce | | BISWM)) {
Alert (' PC ');
}
}
Browserredirect ();

JS detect whether the current device is a PC or a mobile terminal