<ul><li>Closures in JavaScript are functions that remember the environment in which they were created and can access variables from their outer scope even after that scope has finished executing.</li><li>Closures matter because they allow for encapsulation, efficiency, and flexibility in coding.</li><li>Some real-world uses of closures include creating private variables, function factories, memoization, and event handlers.</li><li>Common pitfalls with closures include unintentional memory retention and confusing scopes.</li></ul>

The Power of Closures in JavaScript

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