Web Reference: Aug 7, 2023 · When we develop something, we often need our own error classes to reflect specific things that may go wrong in our tasks. For errors in network operations we may need HttpError, for database operations DbError, for searching operations NotFoundError and so on. Aug 22, 2022 · Javascript handles a predefined set of errors by itself but if you want to create your own error handling mechanism you can do that with custom errors functionality available in javascript. We make use of the OOPS concept called an inheritance to implement custom errors. If you throw with Error, you can't have "Uncaught BadError: bad", so you'll have to remove the custom error (sadly). If you throw an object, it looks kind of off, and the final one is just an average error.
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