What is the scope of variables in different programming languages?

What is the scope of variables in different programming languages?

The scope of a variable refers to the region of the program where it is accessible. Different languages have different rules.

Can you explain local and global scope?

Sure! Local scope means the variable is accessible only within a specific function or block, while global scope means it's accessible throughout the entire program.

How does JavaScript handle variable scope?

JavaScript uses function scope and block scope. Variables declared with 'var' are function-scoped, while 'let' and 'const' are block-scoped.

What about Python? Is it similar?

Python has a similar concept, with local and global scopes. However, it also has a nonlocal scope for nested functions.

Are there any languages that don't have variable scope?

Most modern programming languages have some form of variable scope. However, older languages or those designed for specific tasks may have different rules.