Hi,
Knowing a little JavaScript will help accelerate a little during the course of the learning. However, afraid not, check out the course material available at MVA (Microsoft Virtual Academy).
http://www.microsoftvirtualacademy.com/tracks/developing-html5-apps-jump-start
Regards,
Milton Goh
MCSE, MCSA, MCITP, MCTS, MCP
Blog: blog.nerdytwo.com
Twitter: @miltongoh