What is the scope of functions in JavaScript?

What is the scope of functions in JavaScript?

In JavaScript, the scope of a function refers to the accessibility of variables defined within that function. It determines where those variables can be accessed.

Can you explain the difference between local and global scope?

Sure! Local scope refers to variables defined within a function, which are not accessible outside of it. Global scope refers to variables defined outside any function, making them accessible throughout the entire code.

What happens if I try to access a local variable outside its function?

If you try to access a local variable outside its function, you'll get a reference error because that variable is not defined in the global scope.

Are there any exceptions to this rule?

Yes, closures can create exceptions. A closure allows a function to access variables from its outer scope even after that outer function has finished executing.