Exploring JavaScript documentation
While ECMA-262 (https://262.ecma-international.org/14.0/) is a great source of information, it is not very beginner-friendly.
The most complete source of information is the MDN Web Docs (https://developer.mozilla.org/en-US/docs/Web/JavaScript), which is a community-driven documentation. It is very comprehensive, and it is updated regularly and even translated into other languages.
If you are familiar with frontend development, you might have used the MDN Web Docs before, because it is the main source of information for browser APIs, such as the DOM (https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model/Introduction) and the Fetch API (https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API).
If are looking for more concise documentation, you can use W3Schools (https://www.w3schools.com/js/default.asp), which is a great source of information for beginners, with a lot of examples.
Finally, if you are looking for a specific...