What are custom errors in JavaScript?

What are custom errors in JavaScript?

Custom errors in JavaScript are user-defined error types that extend the built-in Error class.

How do I create a custom error?

You can create a custom error by extending the Error class and defining your own constructor.

Can you show me an example?

Sure! Here's a simple example:

class MyCustomError extends Error {
    constructor(message) {
        super(message);
        this.name = 'MyCustomError';
    }
}

throw new MyCustomError('This is a custom error!');

What are the benefits of using custom errors?

Custom errors help in better error handling and debugging by providing more context about the error.