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J Tan11,847 Points
If a function is called from another function but is not passed in as a callback, is the parent function asynchronous?
If a function is called from another function but is not passed in as a callback, is the parent function asynchronous? Are callbacks a prerequisite for asynchronous functions?
Steven Parker210,425 Points
While callbacks are a common communication method for asynchronous functions, just having one does not make a function asynchronous. Plus you can have asynchronous functions that don't take callbacks (example: "fetch").
And simply calling a (normal) function from inside another one does not make either one asynchronous.