Valor PayTech Mern Stack Developer Interview Questions and Answers

Closures are functions that have access to their own scope, as well as the scope in which they were defined.

• Closures allow functions to access variables from their parent function even after the parent function has finished executing.

• They are commonly used in event handlers, callbacks, and for data privacy.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(out