As programmers, we frequently work with complex data structures that contain multiple levels of nested objects and arrays. In such circumstances, it is very challenging to access a property buried deep within the nested structure, and in some situations, it may result in a TypeError that the property is not defined.
Read moreCallbacks are required for JavaScript asynchronous programming. They allow us to execute code after a particular process or event is finished. Callbacks make it easier to write more maintainable, modular code that is also easier to debug and troubleshoot.
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