CODE EXAMPLE FOR JAVASCRIPT

device nature javascript

    <script language="Javascript">
    window.onload=function(){
    var mobile = (/iphone|ipad|ipod|android|blackberry|mini|windowssce|palm/i.test(navigator.userAgent.toLowerCase()));
    if (mobile) {
        alert("Visit this on a Computer for Better View");              
    } else {

    }
  }
  </script>