- for in loop - for of loop
as a couple examples, and those have been around for at least a few years now. There's probably more missing too. To what the above person said. The usage of "modern" or "latest" or similar is going to fall behind and make for bad searching.
It's 2020 and you still use loops? ;-)
That eslint rule is a good example of a cargo cult. The second link in its rationalization argues for using underscore over touching a dangerous loop yourself.
OTOH out of scope are server-side JS (NodeJS), transpilers like babel, bundlers like webpack, and of course package managers like npm and yarn