Q
What is a closure in JavaScript?
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A
A function bundled with references to the variables of the scope where it was created, even after that scope has finished
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B
A function that closes the browser
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C
A sealed object
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D
A completed promise
Correct Answer:
A. A function bundled with references to the variables of the scope where it was created, even after that scope has finished
Explanation:
Closures power the module pattern, private state, and callbacks.
