code: function vendorPropName( name ) {
  
  	// shortcut for names that are not vendor prefixed
  	if ( name in emptyStyle ) {
  		return name;
  	}
  
  	// check for vendor prefixed names
  	var capName = name.charAt( 0 ).toUpperCase() + name.slice( 1 ),
  		i = cssPrefixes.length;
  
  	while ( i-- ) {
  		name = cssPrefixes[ i ] + capName;
  		if ( name in emptyStyle ) {
  			return name;
  		}
  	}
  }
docs: return a css property mapped to a potentially vendor prefixed property