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The JavaScript Interview Handbook: 100+ Interview Questions

Solution Review: Call Stack & Event Loop

Explore how the JavaScript call stack manages function calls and how the event loop coordinates asynchronous tasks with the task queue. This lesson helps you understand their distinct roles and prepares you to explain these concepts confidently in interviews.

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Question 1: Solution review #

Explanation #

Option B is the right answer. The purpose of a call stack is to keep track of all the function calls. Whenever we invoke a function, it is pushed into the call stack first. Once it finishes execution, it ...