What is lexical scope in programming?
An example of an AI chatbot conversation about lexical scope in programming concepts.
What is lexical scope in programming?
Lexical scope refers to the visibility of variables in nested functions. It determines how variable names are resolved.
Can you give me an example of lexical scope?
Sure! In JavaScript, if you have a function inside another function, the inner function can access variables from the outer function.
What happens if I try to access a variable from a different function?
If you try to access a variable from a different function that is not in its scope, you'll get an 'undefined' error.
How does this differ from dynamic scope?
Dynamic scope resolves variable names based on the call stack, while lexical scope resolves them based on the function's location in the source code.
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