What is variable shadowing in programming?
An example of an AI chatbot conversation about variable shadowing in programming.
What is variable shadowing in programming?
Variable shadowing occurs when a variable in a certain scope has the same name as a variable in an outer scope, effectively 'hiding' the outer variable.
Can you give me an example of variable shadowing?
Sure! In JavaScript, if you declare a variable inside a function with the same name as a global variable, the function's variable shadows the global one.
What problems can variable shadowing cause?
It can lead to confusion and bugs, as developers might unintentionally reference the wrong variable.
How can I avoid variable shadowing in my code?
You can avoid it by using unique variable names, following naming conventions, or using block scope with let and const.
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