![]() ![]() This article aims to introduce you to these patterns so that you can make your programs more robust by ensuring that you’ll discover potential errors and handle them appropriately before deploying your application to production! What are errors in Node.jsĪn error in Node.js is any instance of the Error object. It doesn't have to be this way, though, because Node.js error handling can be quite straightforward once you are familiar with the patterns used to create, deliver, and handle potential errors. Unlike some languages, such as Go and Rust, where you are forced to interact with potential errors every step of the way, it's possible to get by without a coherent error handling strategy in JavaScript and Node.js. They are mistakes in your code, often referred to as "bugs", that cause a program to fail or behave unexpectedly. If you've been writing anything more than "Hello world" programs, you are probably familiar with the concept of errors in programming.
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