What is lexical scoping in programming languages?
An example of an AI chatbot conversation about lexical scoping in programming languages.
What is lexical scoping in programming languages?
Lexical scoping is a rule that determines how variable names are resolved in nested functions. It means that a function's scope is defined by its location within the source code.
Can you give me an example of lexical scoping?
Sure! In JavaScript, if you define a function inside another function, the inner function can access variables from the outer function due to lexical scoping.
How does this differ from dynamic scoping?
Dynamic scoping resolves variable names based on the call stack at runtime, while lexical scoping resolves them based on the structure of the code.
Which programming languages use lexical scoping?
Most modern programming languages, including JavaScript, Python, and Ruby, use lexical scoping.
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