JS to determine the phone-side Android phone or iphone phone

<script type= "Text/javascript" >function fbrowserredirect () {var suseragent = Navigator.userAgent.toLowerCase () 　　; alert (suseragent);  Get the browser and phone information//match information in the keyword var bisipad = suseragent.match (/ipad/i) = = "ipad";　　var Bisiphoneos = Suseragent.match (/iphone os/i) = = "iphone OS";　　var bisandroid = Suseragent.match (/android/i) = = "Android"; 　　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 bisce = Suseragent.match (/windows ce/i) = = "Windows CE"; 　　var biswm = Suseragent.match (/windows mobile/i) = = "Windows Mobile"; 　　　　if (bisipad) {alert (' Ipad ');　　　　Perform ipad operation} if (Bisiphoneos) {alert (' Iphone ');　　　　Execute iphone Action} if (bisandroid) {alert (' Android '); Perform Android operation}}fbrowserredirect ();</script>

　　

JS to determine the phone-side Android phone or iphone phone