Why not Processing or P5.js?

did you read the post? it doesn't mention those by name but the reasons it gives for not teaching other languages/tools apply to those too

	▲	q2dg 7 hours ago \| parent [-]
		Yes, of course. I just wanted to say that I think these tools are very suitable for teaching programming to beginners in a very short time and with excellent feedback. There's no need to go to the margins.