Beyond Arrays and Objects: Exploring Sets and Maps in JavaScript

Coding With JD
3 min readMay 3, 2024

We all know the classic data structures in JavaScript: arrays for ordered lists and objects for key-value pairs. But what if you need to ensure unique values or want a more efficient way to search and retrieve data? That’s where Sets and Maps come in, offering unique capabilities beyond the usual suspects.

The Trouble with Arrays: Uniqueness…

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