Kyle Shevlin • 9/2/2021

What is a Closure?

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This article provides a clear, technical explanation of closures in JavaScript. It defines a closure as state created inside a function that is exposed to the outside world via the function's return value. The guide includes practical code examples, such as building a counter with private state, and discusses the utility of closures for creating persistent state, currying, and data privacy.

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#JavaScript #state management #closures
What is a Closure?

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