JavaScript Modules - yepnope

yepnope-bad.js

someLoader('http:/­/ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js', function () {
  if (!window.jQuery) {
    someLoader('local/jquery.min.js', 'jquery.plugin.js');
  } else {
    someLoader('jquery.plugin.js');
  }
});

yepnope-basic.js

yepnope({
  test: Modernizr.geolocation,
  yep: 'regular-styles.css',
  nope: ['modified-styles.css', 'geolocation-polyfill.js'],
  callback: function (url, result, key) {
    alert(url);
  }
});