<ul><li>JavaScript's flexibility is powered by concepts like lexical scoping and closures.</li><li>Lexical scoping determines variable scope by position in source code, enabling access to outer function variables from inner functions.</li><li>Closures allow functions to retain access to outer function variables even after the function has returned.</li><li>Understanding lexical scoping and closures is essential for writing elegant and efficient JavaScript code.</li></ul>

"The Untold Secret Behind JavaScript's Flexibility: Lexical Scope and Closures Revealed"

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