Javascript Check if User is using Desktop or Mobile Devices (isMobile)

<script>
 (function () {var a={};var f=/iPhone/i,h=/iPod/i,i=/iPad/i,r=/\biOS-universal(?:.+)Mac\b/i,g=/\bAndroid(?:.+)Mobile\b/i,j=/Android/i,c=/(?:SD4930UR|\bSilk(?:.+)Mobile\b)/i,d=/Silk/i,b=/Windows Phone/i,k=/\bWindows(?:.+)ARM\b/i,m=/BlackBerry/i,n=/BB10/i,o=/Opera Mini/i,p=/\b(CriOS|Chrome)(?:.+)Mobile/i,q=/Mobile(?:.+)Firefox\b/i;function s(l){return function($){return $.test(l)}}function e(l){var $=(l=l||("undefined"!=typeof navigator?navigator.userAgent:"")).split("[FBAN");void 0!==$[1]&&(l=$[0]),void 0!==($=l.split("Twitter"))[1]&&(l=$[0]);var a=s(l),e={apple:{phone:a(f)&&!a(b),ipod:a(h),tablet:!a(f)&&a(i)&&!a(b),universal:a(r),device:(a(f)||a(h)||a(i))&&!a(b)},amazon:{phone:a(c),tablet:!a(c)&&a(d),device:a(c)||a(d)},android:{phone:!a(b)&&a(c)||!a(b)&&a(g),tablet:!a(b)&&!a(c)&&!a(g)&&(a(d)||a(j)),device:!a(b)&&(a(c)||a(d)||a(g)||a(j))||a(/\bokhttp\b/i)},windows:{phone:a(b),tablet:a(k),device:a(b)||a(k)},other:{blackberry:a(m),blackberry10:a(n),opera:a(o),firefox:a(q),chrome:a(p),device:a(m)||a(n)||a(o)||a(q)||a(p)},any:!1,phone:!1,tablet:!1};return e.any=e.apple.universal||e.apple.device||e.android.device||e.windows.device||e.other.device,e.phone=e.apple.phone||e.android.phone||e.windows.phone,e.tablet=e.apple.tablet||e.android.tablet||e.windows.tablet,e}a=e();if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=a}else if(typeof define==="function"&&define.amd){define(function(){return a})}else{this["isMobile"]=a}})();</script>

Usage

if ( isMobile.any ){ }
if ( isMobile.phone ){ }
if ( isMobile.tablet ){ }
if ( isMobile.android ){ }
if ( isMobile.apple ){ }