JavaScript Execution Context Explained Visually | Lexical & Variable Env + Call Stack (Part 2)

Опубликовано: 24 Июль 2026
на канале: JSpresso
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Ever wondered what really happens when JavaScript runs your code?
In this video, we go deep into the Execution Context — the hidden engine behind variable creation, function calls, and scope resolution.

🔹 Learn how the Call Stack is formed and how Execution Contexts are pushed and popped.
🔹 Understand the exact difference between Lexical Environment and Variable Environment — finally explained the right way.
🔹 Watch a real-time visual example showing how JavaScript finds variables through the scope chain and manages memory.

This video is Part 2 of my JavaScript Execution Context series.
Next up, we’ll connect this to Hoisting and the Event Loop to reveal how JavaScript decides what runs first and what waits.

Link to Part 1 -    • Most Developers Get JavaScript Execution C...  

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#hoisting #scopechain #programmingtutorial #javascriptseries