What are the differences between lexical and global scoping?
An example of an AI chatbot conversation about lexical vs global scoping in programming.
What are the differences between lexical and global scoping?
Lexical scoping means that the scope of a variable is determined by its location within the source code. Global scoping, on the other hand, allows variables to be accessed from anywhere in the code.
Can you give me an example of lexical scoping?
Sure! In JavaScript, if you define a variable inside a function, it can only be accessed within that function or nested functions.
And what about global scoping?
Global scoping allows a variable to be accessed from any part of the code, including inside functions. For example, if you declare a variable outside of any function, it is globally scoped.
Why is lexical scoping preferred in many programming languages?
Lexical scoping is preferred because it makes code easier to understand and maintain, as the scope of variables is clear and predictable.
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