modernizr/src/testPropsAll.js

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

define(['ModernizrProto', 'cssomPrefixes', 'is', 'testProps', 'domPrefixes', 'testDOMProps'], function( ModernizrProto, cssomPrefixes, is, testProps, domPrefixes, testDOMProps ) {
  /**
   * testPropsAll tests a list of DOM properties we want to check against.
   *   We specify literally ALL possible (known and/or likely) properties on
   *   the element including the non-vendor prefixed one, for forward-
   *   compatibility.
   */
  function testPropsAll( prop, prefixed, elem ) {

    var ucProp  = prop.charAt(0).toUpperCase() + prop.slice(1),
    props   = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');

    // did they call .prefixed('boxSizing') or are we just testing a prop?
    if(is(prefixed, "string") || is(prefixed, "undefined")) {
      return testProps(props, prefixed);

      // otherwise, they called .prefixed('requestAnimationFrame', window[, elem])
    } else {
      props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
      return testDOMProps(props, prefixed, elem);
    }
  }

  // Modernizr.testAllProps() investigates whether a given style property,
  //   or any of its vendor-prefixed variants, is recognized
  // Note that the property names must be provided in the camelCase variant.
  // Modernizr.testAllProps('boxSizing')
  ModernizrProto.testAllProps = testPropsAll;

  return testPropsAll;
});