vineshpabbisetti/mern-01 ? reverse-engineered prompt

Build me a simple beginner JavaScript practice project with a few separate files for the basics, like arrays, functions, objects, and operators.

I want it organized so each topic has its own small example file, and there is a main file that ties everything together and shows the results clearly. Keep the code easy to read, with simple examples and comments that explain what each part is doing, since this is for learning and not a full app.

Make sure the examples actually run without errors and use plain JavaScript only. If you think it helps, add a few console outputs so someone can open the files and quickly understand how each concept works. If you need to check current JavaScript best practices or syntax details, look them up online first.