This will interest you as it is in-depth mostly due to it being an excerpt of a paid material, and I think that this one is what @bubble.trouble talked about:
@opena.international
Hello Mr.(s) Potential!
My course goes as deep as the rabbit hole goes. I made it to be the definitive material, so if there is something you need that is not covered in there, I will create that material for you.
Most of the content is born out of doubts and challenges we face.
In it, I expect you to know essential HTML, CSS and Javascript. For example what is a variable, a string, an array etc.
And if you don’t, no problem! I do have a learning script (há!) for …