Hoisting

Hoisting: The Invisible Movement

Hoisting is JavaScript’s behavior of moving variable and function declarations to the top of their scope during the compilation phase. It’s like JavaScript reads your code twice – first to find declarations, then to execute.

Function Declaration Hoisting

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Variable Declaration Hoisting

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Temporal Dead Zone (TDZ)

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Hoisting in Different Scopes

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Practical Examples

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Best Practices

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Tip: While hoisting can be useful, it’s often clearer to declare variables and functions before using them!