Mobile detection [closed]

Answer 1

http://www.hand-interactive.com/resources/detect-mobile-javascript.htm

var deviceBB = "blackberry";

//Initialize our user agent string to lower case. 
var uagent = navigator.userAgent.toLowerCase();

//************************** // Detects if the current browser is a BlackBerry of some sort. 

function DetectBlackBerry() {    
if (uagent.search(deviceBB) > -1)
      return true;    else
      return false; 
}