Browser/OS detection

browser-os-detect.js

var IS_IOS = /iphone|ipad|ipod/i.test(navigator.userAgent);
var IS_IEMOBILE = /iemobile/i.test(navigator.userAgent);
var IS_ANDROID = /android/i.test(navigator.userAgent);
var IS_IE = /msie/i.test(navigator.userAgent);
var IS_TOUCH_DEVICE = (function() {
   var el = document.createElement('div');
   el.setAttribute('ongesturestart', 'return;');
   return typeof el.ongesturestart === "function";
})();


// Add rules as class to HTML
var $html = $('html');
if (IS_IOS) $html.addClass('is-ios');
if (IS_ANDROID) $html.addClass('is-android');
if (IS_IEMOBILE) $html.addClass('is-iemobile');        
if (IS_IE) $html.addClass('is-ie');
if (IS_TOUCH_DEVICE) $html.addClass('is-touch');