Is function inside function bad?

no, there’s nothing wrong with that at all, and in js, it’s usually a good thing . the inside functions may not be a pure function, if they rely on closure variables. If you don’t need a closure or don’t need to worry about polluting your namespace, write it as a sibling.

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Can you use functions inside of functions?

A nested function is a function that is completely contained within a parent function. Any function in a program file can include a nested function . The primary difference between nested functions and other types of functions is that they can access and modify variables that are defined in their parent functions.

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How do you call a function in Dart?

All Dart functions (objects which has a function type rather than an class/interface type) have a call method . The call method has the same function type as the function itself, and it behaves exactly the same when you call it. You could even say that calling a function is implicitly calling its call method.13 Kas 2019

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