What is the role of the event loop in JavaScript?*1 pointTo execute synchronous code.To push functions onto the Web APITo manage and coordinate asynchronous tasks and their callbacks.To manage variable scopes.

The role of the event loop in JavaScript is to manage and coordinate asynchronous tasks and their callbacks.

Here's a step-by-step explanation:

1. When an asynchronous function is called in JavaScript, it is sent to a Web API provided by the browser, not the JavaScript engine. This is where the function will be executed.

2. Once the asynchronous function has completed its task, it will return a callback function. This callback function is then sent to the Message Queue.

3. The Event Loop constantly checks the Call Stack (where the main JavaScript code is executed). If the Call Stack is empty, it will take the first callback function in the Message Queue and push it onto the Call Stack to be executed.

4. This process continues in a 'loop', allowing JavaScript to execute other code without blocking the thread, hence managing and coordinating asynchronous tasks and their callbacks.