js 判断当前的手机系统类型

<script language="javascript">window.onload = function () {alert("1");var u = navigator.userAgent;if (u.indexOf(‘Android‘) > -1 || u.indexOf(‘Linux‘) > -1) {//安卓手机alert("安卓手机");// window.location.href = "mobile/index.html";} else if (u.indexOf(‘iPhone‘) > -1) {//苹果手机// window.location.href = "mobile/index.html";alert("苹果手机");} else if (u.indexOf(‘Windows Phone‘) > -1) {//winphone手机alert("winphone手机");// window.location.href = "mobile/index.html";}}</script>

 

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