JS判断手机端和PC端自动跳转

<script type="text/javascript">

    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) ){

        window.location.href="http://m.51youc.com";

    }

}

browserRedirect();

    </script>