What is lexical scope?
An example of an AI chatbot conversation about lexical scope in programming.
Can you explain what lexical scope is in programming?
Sure! Lexical scope refers to the visibility of variables in nested functions. It determines how variable names are resolved.
How does lexical scope differ from dynamic scope?
Lexical scope is determined at compile time based on the location of variables in the source code, while dynamic scope is determined at runtime based on the call stack.
Can you give me an example of lexical scope in JavaScript?
Absolutely! In JavaScript, if you define a variable inside a function, it can't be accessed outside that function, demonstrating lexical scope.
What happens if I try to access a variable outside its scope?
If you try to access a variable outside its lexical scope, you'll get a reference error, indicating that the variable is not defined.
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