modernizr/src/testStyles.js

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

define(['ModernizrProto', 'injectElementWithStyles'], function( ModernizrProto, injectElementWithStyles ) {
  var testStyles = ModernizrProto.testStyles = injectElementWithStyles;
  return testStyles;
});