Apr 2, 2025 · Set objects are collections of values. A value in the set may only occur once; it is unique in the set's collection. You can iterate through the elements of a set in insertion order.

A JavaScript Set is a collection of unique values. Each value can only occur once in a Set. The values can be of any type, primitive values or objects.

Feb 10, 2025 · Learning Data Structures and Algorithms can be difficult when combined with JavaScript. For this reason, we have brought to you this detailed DSA tutorial on how to get started with Data Structures with JavaScript from scratch. How to start learning Data Structures with JavaScript?

Mar 5, 2025 · A Set in JavaScript is used to store a unique collection of items, meaning no duplicates are allowed. Sets internally use a hash table which makes search, insert and delete operations faster than arrays. Please note that a hash table data structure allows these operations to be performed on average in constant time.

Mar 26, 2010 · I'm looking for a decent implementation of a set data structure in JavaScript. It should be able to support elements that are plain JavaScript objects. So far I only found Closure Library's structs.Set, but I don't like the fact that it modifies my data.

Feb 21, 2024 · Map and Set are two JavaScript data structures you can use to store a collection of values, similar to Objects and Arrays. They are specialized data structures that can help you store and manipulate related values. In this tutorial, we will see how Map and Set work in detail and when to use them.

May 27, 2020 · Set are a collection of sequential and unique elements, this structure doesn’t allow adding duplicate values, we have several examples of sets: The natural numbers {0, 1, 2, 3, 4, 5, 6, 7, 8 …}...

Jul 20, 2023 · In JavaScript, data structures play a crucial role in organizing and manipulating data efficiently. Among the various built-in data structures, Map and Set stand out as powerful tools...

In this article, I am going to discuss JavaScript Set Data Structure with Examples. Please read our previous article where we discussed the JavaScript Arrow function with Examples. JavaScript ECMAScript6 (ES6) introduces four new data structures: Set , WeakSet , Map , and WeakMap.

Dec 16, 2024 · In JavaScript, a Set is a powerful data structure that allows you to store unique values of any type, whether primitive values or references to objects. This guide will explain what sets are, how to use them, and why they are beneficial for beginners in JavaScript.