<ul><li>In JavaScript, closures are created when an inner function retains access to variables from its outer function, even after the outer function has completed.</li><li>Function factories, like makeCounter(), generate new instances with their own private variables, showcasing the independence of each counter.</li><li>Closures enable state persistence, allowing variables to preserve their values across multiple function calls and aiding in managing state without global variables.</li><li>Understanding closures in JavaScript is essential as they facilitate encapsulation and memory management, making patterns like private counters more natural to implement.</li></ul>

JavaScript Closure Simplified

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