The Var keyword JavaScript Explained - Problem and Solution

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🚨 Struggling with unexpected JavaScript bugs? It might be because of var!

In this video, we’ll break down the pitfalls of using the var keyword in JavaScript, why it leads to weird behaviors, and most importantly, how to fix them using modern JavaScript features like let, const, and globalThis.

👉 Here's what you'll learn:

The scope problem with var (function vs. block scope)
How variable hoisting can catch you off guard
The best practices of using let and const to avoid var headaches
The new globalThis keyword and its importance in global scope handling
🔧 Say goodbye to frustrating bugs and level up your JavaScript skills with these simple fixes!

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Thanks for the video. Even though I'm a beginner, I wouldn't use VAR. If I see it anywhere, I'll change it to let or const. Most of the time it's const anyway. Thanks.

Salah-YT

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