JavaScript Set Objects

Create Set Objects In JavaScript

In JavaScript, Set objects are collections of unique values.

Set objects efficiently store, retrieve, and manipulate distinct values. Any data type can be stored as values, including other sets.

A new Set object is created via the Set constructor.

Common Syntax Of Set Objects In JavaScript

Glossary:

Unique

The single one of its kind

Value

The representation of some entity that can be manipulated by a program

Object

Data structure storing related data as key-value pair

Common Set Objects

Ojamboshop.com Learning JavaScript Set Objects

Name	Description	Example
Set()	Create an empty set.	new Set();
Name	Description	Example

JavaScript Set Objects Snippet

// OjamboShop.com Learning JavaScript Set Objects Tutorial
let names = new Set(); // Create Set
let ages = new Set([23, 33, 44]); // Create & Initialize Set
let clone = new Set(ages); // Created Clone Set
console.log(typeof names);
console.log(names);
console.log(typeof ages);
console.log(ages);
console.log(typeof clone);
console.log(clone);

Usage

You can use any IDE or text editor and the web browser to compile and execute JavaScript code. For this tutorial, the OjamboShop.com Learning JavaScript Course Web IDE can used to input and compile JavaScript code for the Set object.

Open Source

JavaScript follows the ECMAScript standard and is licensed under the W3C Software License by web browser vendors and runtime environment vendors. This allows commercial use, modification, distribution, and allows making derivatives proprietary.

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Conclusion:

JavaScript makes it easy to use the Set object. Use the Set object to store unique values of any data type.

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