The `uncaughtException` event in Node.js is emitted when an uncaught JavaScript exception bubbles all the way back to the event loop. It provides an opportunity to handle the error gracefully and perform any necessary cleanup tasks before terminating the process.
If no listener is attached for this event, the default action is to print the stack trace and exit the process. It is important to note that `uncaughtException` is a very critical event within an application. When it is emitted, the application is in an undefined state and may cause more harm than good if it continues to run.
Generally, after logging the error, the Node.js process should be restarted after an`uncaughtException` is emitted.
