Alert for geolocation from desktop

gistfile1.txt

$(document).ready(function(e) {

        if(navigator.userAgent.match(/Android/i)
             || navigator.userAgent.match(/webOS/i)
             || navigator.userAgent.match(/iPhone/i)
             || navigator.userAgent.match(/iPad/i)
             || navigator.userAgent.match(/iPod/i)
             || navigator.userAgent.match(/BlackBerry/i)
             || navigator.userAgent.match(/Windows Phone/i)) {

        return;
         

        } else {
            alert("Please note: Your position is determined from your IP address and therefore may be inaccurate. The address indicated may need correction.");
        }

    });