What are scope and closure in JavaScript?

Can you explain what scope and closure are in JavaScript?

Sure! In JavaScript, scope refers to the visibility of variables. It determines where a variable can be accessed.

What about closure? How does it relate to scope?

Closure is a feature where an inner function has access to the outer function's variables, even after the outer function has executed.

Can you give me an example of closure in action?

Absolutely! Here's a simple example: function outer() { let count = 0; return function inner() { count++; return count; }; } The inner function can access 'count' even after 'outer' has finished.

Why is closure important in JavaScript?

Closures are important because they allow for data encapsulation and can help create private variables.