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Detecting Unhandled Rejections with Node.js

Explore how to detect and manage unhandled promise rejections in Node.js by utilizing process events such as unhandledRejection and rejectionHandled. Understand how to handle asynchronous errors effectively and keep track of rejected promises to improve your application's robustness.

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Tracking unhandled rejections in Node.js

Node.js tracks unhandled promise rejections in a similar, but not identical, way that browsers do. There are two events in Node.js, but these are emitted on the process object and have different capitalizations than the browser events:

  • unhandledRejection: This is emitted when a
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