Dec 9, 2025 · The Set object lets you store unique values of any type, whether primitive values or object references. Set objects are collections of values. A value in the set may only occur once; it is unique …

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.

Sep 25, 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 …

Sets are commonly used in scenarios where you need to work with collections of unique elements. The Set object lets you store unique values of any type, whether primitive values or object references. …

What Are Sets in JavaScript, and How Does It Differ from WeakSets? In JavaScript, Set is a built-in object for managing data collections. It lets you store unique values of any type, whether primitive or …

Oct 6, 2024 · In JavaScript, a Set is a collection of unique values of any type, whether primitive or object references. Sets are useful when you want to store a list of items where duplicates are not allowed.

A JavaScript Set object is a collection of unique values. Each value can only occur once in a Set. A Set can hold any value of any data type. The sets are introduced to JavaScript in ECMAScript 6 (ES6).

Apr 4, 2025 · In this article we show how to work with Sets using the set method in JavaScript. A Set is a collection of unique values where each value may occur only once. The set method is used to add …

This blog post will dive deep into the fundamental concepts of JavaScript Sets, explore their usage methods, discuss common practices, and share some best practices to help you make the most of …

The primary feature of Set objects is that they only store unique values. If an attempt is made to add an element that already exists in the set, the add() method will have no effect, and the set will remain …