Progressive Enhancement in E N T E R P R I S E Q U A L I T Y "javascript" frameworks used in industry? I am perfectly willing to believe this is implemented

Progressive Enhancement in E N T E R P R I S E Q U A L I T Y "javascript" frameworks used in industry? I am perfectly willing to believe this is implemented in industry and exists but I really don't believe in industry. I have heard of them. I have just never seen one.