What is the difference between scope and scope chain?

Can you explain the difference between scope and scope chain in JavaScript?

Sure! Scope refers to the accessibility of variables in different parts of your code, while the scope chain is the mechanism that JavaScript uses to look up variables in nested scopes.

So, how does the scope chain work in practice?

In practice, when you try to access a variable, JavaScript first looks in the current scope. If it doesn't find it, it moves up to the outer scope, continuing until it either finds the variable or reaches the global scope.

Can you give me an example of scope and scope chain?

Absolutely! For example, if you have a function inside another function, the inner function can access variables from its own scope and the outer function's scope, demonstrating the scope chain.