How to play only the audio of a Youtube video using HTML 5?

Question

Is it possible to play only the audio from a YouTube video using HTML 5 and Javascript?

Answer 1

Adding to the mentions of jwplayer and possible TOS violations, I would like to to link to the following repository on github: YouTube Audio Player Generation Library, that allows to generate the following output:

Library has the support for the playlists and PHP autorendering given the video URL and the configuration options.