JavaScript Event Loop: A Deep Dive with Examples 2024

JavaScript Event Loop diagram showing the relationship between the call stack, Web APIs, and task queues

The JavaScript Event Loop is a fundamental concept that enables asynchronous programming in a single-threaded environment. Understanding how the Event Loop works is essential for writing efficient, non-blocking code. This blog will explore the Event Loop, including its relationship with the call stack, web APIs, and the message queue, along with examples, code samples, and interview questions.