What is the difference between “slice” and “splice” in JavaScript arrays?
slice() returns a shallow copy of part of an array.
splice() modifies the array by adding/removing elements.


What is the purpose of the “apply” and “call” methods in JavaScript? They invoke functions with a specific this context:
call() takes arguments individually.
apply() takes arguments as an array.


Explain the concept of the event loop in JavaScript and how it handles asynchronous operations. The event loop monitors the call stack and callback/task queues. It pushes callbacks to the stack when it’s clear, ensuring non-blocking async execution.

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