iphone-ipad-detect-version.js

<script type="text/javascript">
  var appVer        = navigator.appVersion;
  var searchVersion = /\s(\d)_\d/;
  var searchDevice  = /\s[(](\w+\s?\w*)[;]\s/;
  var isIPhone      = false;
  var isIPad        = false;
  if (searchVersion.exec(appVer) && searchDevice.exec(appVer)){
    var deviceVersion = searchVersion.exec(appVer)[1];
    if ("iPhone"           == searchDevice.exec(appVer)[1]){ isIPhone = deviceVersion; }
    if ("iPhone Simulator" == searchDevice.exec(appVer)[1]){ isIPhone = deviceVersion; }
    if ("iPad"             == searchDevice.exec(appVer)[1]){ isIPad   = deviceVersion; }
  }
  if(isIPad){   alert("iPad Version: "   + isIPad  ); }
  if(isIPhone){ alert("iPhone Version: " + isIPhone); }
</script>