Custom Modernizr tests that are useful.

modernizr-ios-check.js

/* modernizr-ios-check.js
 * Daniel Ott (with modifications)
 * 3 March 2011
 * Custom Tests using Modernizr's addTest API
 */

/* iOS
 * There may be times when we need a quick way to reference whether iOS is in play or not.
 * While a primative means, will be helpful for that.
 */
Modernizr.addTest('ipad', function () {
  return !!navigator.userAgent.match(/iPad/i);
});

Modernizr.addTest('iphone', function () {
  return !!navigator.userAgent.match(/iPhone/i);
});

Modernizr.addTest('ipod', function () {
  return !!navigator.userAgent.match(/iPod/i);
});

Modernizr.addTest('ios', function () {
  return (Modernizr.ipad || Modernizr.ipod || Modernizr.iphone);
});