SMRTR ProgrammingNov 18, 2024Dev.to

Hoisting in JavaScript: A Tale of Misplaced Trust

SMRTR summary

In the magical land of Codeville, two JavaScript developers discover the concept of hoisting. Variable and function declarations are mysteriously moved to the top of their scope during compilation. While 'var' declarations are initialized as undefined, function declarations are fully hoisted and can be called before they're written. However, 'let' and 'const' declarations remain in a Temporal Dead Zone until initialized. This knowledge helps the developers better understand how JavaScript behaves and avoid potential coding pitfalls.

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