I've taught a few friends the basics by using codecademy's free javascript course while also tutoring. Unless they've changed it, it has you build a simple con

I've taught a few friends the basics by using codecademy's free javascript course while also tutoring. Unless they've changed it, it has you build a simple console cash register. It introduces each of it's concepts very organically, & if they get stuck on any of javascript's idiosyncrasies I'm there.