There are many websites and free courses available that help you learn javascript easily. It includes tutorials, videos, courses, and documentation to help you thoroughly understand the coding basics.
Understand variables, functions, control structures and data types properly. You must also be aware of OOP and asynchronous concepts to be an advanced developer.
You can do this by using the Chrome Developer Tool; this can be accessed by using the F12 key or right-clicking the page and selecting "Inspect". Then, go to the "Sources" tab and select the "Editor" link.
However, you can code on a simple text editor like Notepad or Notepad++. But to code efficiently, experts recommend Visual Studio code or sublime text Editor to code fast and hassle-free.
Notepad ++ is a basic and easy-to-use HTML CSS JS editor that includes a variety of IDEs such as macros and the ability to change global adjustments using Regular Expressions. Listen, every tool is excellent in terms of its functionality.