js menentukan telefon mudah alih (telefon Android atau telefon iPhone)_kemahiran javascript

/**
 * [isMobile 判断平台]
 * @param test:	0:iPhone	1:Android
 */
function ismobile(test){
	var u = navigator.userAgent, app = navigator.appVersion;
	if(/AppleWebKit.*Mobile/i.test(navigator.userAgent) || (/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/.test(navigator.userAgent))){
	 if(window.location.href.indexOf("&#63;mobile")<0){
	  try{
	   if(/iPhone|mac|iPod|iPad/i.test(navigator.userAgent)){
	   	return '0';
	   }else{
	   	return '1';
	   }
	  }catch(e){}
	 }
	}else if( u.indexOf('iPad') > -1){
		return '0';
	}else{
		return '1';
	}
};

<script type="text/javascript">
var browser = {
  versions: function () {
  var u = navigator.userAgent, app = navigator.appVersion;
  return {//移动终端浏览器版本信息
   trident: u.indexOf('Trident') > -1, //IE内核
   presto: u.indexOf('Presto') > -1, //opera内核
   webKit: u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
   gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
   mobile: !!u.match(/AppleWebKit.*Mobile/i) || !!u.match(/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/), //是否为移动终端
   ios: !!u.match(/\(i[^;]+;( U;)&#63; CPU.+Mac OS X/), //ios终端
   android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android终端或者uc浏览器
   iPhone: u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1, //是否为iPhone或者QQHD浏览器
   iPad: u.indexOf('iPad') > -1, //是否iPad
   webApp: u.indexOf('Safari') == -1 //是否web应该程序，没有头部与底部
  };
  } (),
  language: (navigator.browserLanguage || navigator.language).toLowerCase()
}
if (browser.versions.iPhone || browser.versions.iPad || browser.versions.ios) {
window.location.href = "http://www.jb51.net";
}
if (browser.versions.android) {
window.location.href = "http://www.qq.com";
}
</script>