This is what I wrote about javascript

Modern vs old JavaScript. The differences when copy and array and replace an element.

What was added to the language in the 2022 version of JavaScript and which features I'm using the most.

What's coming in the 2023 version of JavaScript. A quick overview of the new features

It's a lightweight library that can be easily added to any web application and used to track and analyse its carbon footprint

Shallow copy vs deep copy. A comparison of the different ways to clone an object in JavaScript