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Hoisted and Confused? Let’s Decode JavaScript’s Scope Magic

JavaScript isn't broken — but if you've ever wondered why a variable returns undefined or a function throws an error before it's even called... you're not alone. Many developers hit weird bugs due to scope and hoisting without realizing what's really going on. I just dropped a post that breaks down: Why var, let, and const behave so differently How JavaScript really handles function and block scopes What hoisting actually does (and doesn’t) How to write bug-free, predictable code If you've ever thought “JavaScript makes no sense”, this post is for you.

May 12, 2025 - 19:17
 0
Hoisted and Confused? Let’s Decode JavaScript’s Scope Magic

JavaScript isn't broken — but if you've ever wondered why a variable returns undefined or a function throws an error before it's even called... you're not alone.

Many developers hit weird bugs due to scope and hoisting without realizing what's really going on. I just dropped a post that breaks down:

  • Why var, let, and const behave so differently

  • How JavaScript really handles function and block scopes

  • What hoisting actually does (and doesn’t)

  • How to write bug-free, predictable code

If you've ever thought “JavaScript makes no sense”, this post is for you.

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