Emacs IDE JavaScript/HTML5/Ruby?

Question

emacs

Plz post a tutorial to create a JavaScript/HTML5/Ruby IDE from Emacs

Answer 1

There can be no tutor for such a thing. There may be "I did like this and I'm fine, here is my emax config". And figs whether it suits you or not - no one knows what kind of functions you need. And you can easily find it on google.
For example:
https://www.reddit.com/r/emacs/comments/6ownl0/ema
...