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Getting started with variables in JavaScript? In this beginner-friendly tutorial, you’ll learn how to create and use constants using const in JavaScript, and understand why it’s the go-to keyword for defining fixed values in modern JavaScript (ES6+).
const helps prevent accidental changes in your code by creating block-scoped constants. It’s used in everything from declaring API keys to defining configuration settings and static values.
🧠 In this video, you’ll learn:
What const is in JavaScript and how it differs from let and var
Syntax and rules of using const
Understanding block scope and immutability
When and why to use const in real-world projects
Common mistakes: const with objects and arrays
Real examples with best practices for clean, error-free code
Perfect for JavaScript beginners, students, and anyone learning ES6+ features and coding standards.
🎯 Keep building your JS foundation with our JavaScript Tutorials Playlist covering all the modern essentials!
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2025/07/15
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