What are unhandled rejections in JavaScript?
An example of an AI chatbot conversation about JavaScript unhandled promise rejections.
What are unhandled rejections in JavaScript?
Unhandled rejections occur when a Promise is rejected but no error handler is attached to handle the rejection.
Can you give me an example of an unhandled rejection?
Sure! If you have a Promise that fails and you don't use .catch() to handle the error, that's an unhandled rejection.
What happens when there is an unhandled rejection?
The JavaScript runtime will emit a warning and may terminate the process in Node.js, depending on the environment.
How can I prevent unhandled rejections?
You can prevent them by always attaching a .catch() method to your Promises or using try...catch with async/await.
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