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Bonus: Understanding the Event Loop

In this lesson, you'll learn about the JavaScript runtime environment and the event loop, which are crucial for understanding how asynchronous code behaves differently from synchronous code. This knowledge will help you grasp why JavaScript handles tasks the way it does. ### The JavaScript Runtime Environment Welcome back! In the last lecture, we wrote some synchronous and asynchronous code and observed that asynchronous code behaves differently. Now, let's dive into why that is. All the JavaScript code we write, whether asynchronous or synchronous, runs in a web browser, which serves as a JavaScript runtime environment. This environment consists of several key components:

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