html網頁判斷手機還是電腦登陸進入

<script type="text/javascript">

try{

    if (/Android|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent)) {

        window.location.href="mindex.html";

    }else{

        window.location.href="cindex.html";

    }

}catch(e){}

</script>