Map & Set

Hello readers 👋, welcome to the 19th blog in this JavaScript series! In the last post, we explored the this keyword and how it flexibly points to different callers depending on the context. Today, we are going to talk about two powerful data structures introduced in ES6 that often don't get enough love: Map and Set . If you have been using plain objects for key-value storage or arrays for everything, you might be missing out on cleaner, more performant ways to handle certain scenarios. Let's bre