js判断是手机端显示手机网页

<script type="text/javascript">
  try {
    var urlhash = window.location.hash;
    if (!urlhash.match("fromapp")) {
      if ((navigator.userAgent.match(/(iPhone|Android)/i))) {
        window.location = "http://m.lohas-future.com/";
      }
    }
  } catch (err) {}

  </script>