In the course of developing something, it is necessary to have own error classes for reflecting particular things that can go wrong. For errors in network operations, HttpError is necessary, for searching operations-NotFoundError, for database operations- DbError, and more. They should support basic error properties such as name, message, and stack. Also, they can include other properties. For example, HttpError objects can contain…

Even the greatest programmers can have errors in the scripts. Generally, errors can occur as a result of mistakes, unexpected user input, and a thousand other reasons. But, hopefully, there exists a try..catch syntax construct, allowing to catch errors, so the script can do something more reasonable. The syntax of try…catch Two blocks are included in thetry..catch construct: try and catch:…