What is the best IDE for JavaScript? Or how can I run a JavaScript code on Notepad++ without mixing it with HTML?

Answer 1

If you want to run JavaScript without mixing it with HTML, you need Node, a powerful JavaScript runtime environment that brings JavaScript to multiple platforms

Here it is
https://nodejs.dev/

Also as regards IDE. I have only used a few but I prefer Jetbrains phpStorm. If you want something light-weight try Adobe Brackets

There are many other great ones out there that I have never used like WebStorm, Atom and PyCharm.

Answer 2

try atom , i think lts verty powerful tools

Answer 3

You can run JavaScript code in browser console