Web Reference: Hoisting is JavaScript's default behavior of moving all declarations to the top of the current scope (to the top of the current script or the current function). Variables defined with let and const are hoisted to the top of the block, but not initialized. Jul 11, 2025 · JavaScript Hoisting refers to the process whereby the interpreter appears to move the declaration of functions, variables, classes, or imports to the top of their scope, prior to execution of the code. In this comprehensive guide, we’ll demystify function and variable hoisting in JavaScript, breaking down the complexities into easily digestible chunks. We’ll use clear explanations, real-world examples, and visual aids to ensure you grasp these fundamental concepts.
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