Скачать или смотреть 03 | JavaScript Deep Dive Lexical Scope, Closures & let vs var vs const | JavaScript Tutorial #3

💻 03 - JavaScript Deep Dive: Lexical Scope, Closures & let vs var vs const

Welcome to Episode 3 of our beginner-friendly JavaScript series!
In this video, we’ll go beyond the basics and dive into core JavaScript concepts that every developer must understand.

🎯 Topics Covered:
👉 What is Lexical Scope?
👉 Understanding Closures in JavaScript
👉 How JavaScript code is executed under the hood
👉 The difference between let, var, and const
👉 Common pitfalls and best practices

📌 Whether you're preparing for interviews or just sharpening your JS fundamentals, this video will help you gain deep clarity on how JavaScript works behind the scenes.

🧠 By the end of this video, you’ll be able to:

Explain lexical environments and closures with confidence

Write cleaner, bug-free code using the right variable declarations

Understand how JavaScript handles memory and execution contexts

🔗 Code Repo: https://github.com/harsh-sangwan2002/...

------------------------------------------------------------------------------------------------------------------------
00:00 : 02:30 - let Vs var Vs const
02:30 : 07:00 - Closures
07:00 : 09:18 - Caching Closures and Questions

📌 Don’t forget to Like, Subscribe, and Hit the bell icon for daily JavaScript lessons!