JavaScript Core Syntax Mastery Hub: The Industry Foundation
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In the context of "The Complete JavaScript Variables & Scoping Course 2026", which of the following best describes the primary characteristic of a `let` variable declared within a block scope in JavaScript, specifically concerning its accessibility and lifecycle?
Considering the concept of hoisting as elaborated in "The Complete JavaScript Variables & Scoping Course 2026", what is the fundamental difference in hoisting behavior between `var` and `let` declarations in JavaScript, particularly in relation to their temporal dead zone?
Within the advanced scope concepts discussed in "The Complete JavaScript Variables & Scoping Course 2026", how does a closure enable a function to retain access to variables from its enclosing scope, even after the outer function has completed its execution?
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