Introduction
With the rapid evolution of web technologies, JavaScript remains a cornerstone of modern web development. Whether you are a beginner looking to break into the field or a seasoned developer seeking a new opportunity, acing the interview is critical. In this article, we’ll explore 10 essential interview questions every JavaScript developer should be prepared to answer. These questions cover fundamental concepts, advanced techniques, and performance optimization, providing a comprehensive view of your skill set.
1. What is Closure in JavaScript?
A closure is a powerful feature in JavaScript that allows a function to maintain access to its lexical scope even when the function is executed outside that scope. This means that closures can