Flash Pro CC – 13.1.0.217 update(read about it here) has added a new document type called ‘HTML5 Canvas’,as the name suggests this is document type you have to use to publish content from Flash Pro to HTML and Javascript.From this update there will be no ‘Toolkit For Create JS’ extension in Flash Pro and thus you cannot use Action-script documents(like Actionscript 3.0,AIR for Desktop etc..) to publish to HTML and J.S,you have to either create content in new ‘HTML5 Canvas’ fla or convert assets from AS3 FLA to HTML5 Canvas FLA.
How do you convert assets from Action script 3.0 FLA to HTML5 Canvas FLA ?Worry not its quite easy