https://stackoverflow.com › questions › 69165892
javascript - How to throw an exception with a status code ... - Stack ...You can use err.code. const error = new Error("message") error.code = "YOUR_STATUS_CODE" throw error;
https://www.w3schools.com › js › js_errors.asp
JavaScript Errors Try Catch Throw - W3SchoolsLearn how to handle errors in JavaScript using try, catch, throw and error object. See examples of common error types and how to validate input and HTML.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Error
Error - JavaScript | MDN - MDN Web DocsError. Les objets Error sont déclenchés lorsque des erreurs d'exécution surviennent. L'objet Error peut aussi être utilisé comme objet de base pour des exceptions spécifiques. Voir ci-dessous pour les types d'erreur natifs standards.
https://javascript.info › custom-errors
Custom errors, extending Error - The Modern JavaScript TutorialLearn how to create and use custom error classes in JavaScript by inheriting from the built-in Error class. See examples of ValidationError, PropertyRequiredError and other subtypes with specific properties and messages.
https://dev.to › ... › a-mostly-complete-guide-to-error-handling-in-javascript-min
A mostly complete guide to error handling in JavaScriptIn this guide we covered error handling in JavaScript for the whole spectrum, from simple synchronous code, to advanced asynchronous primitives. There are many ways in which an exception can manifest in our JavaScript programs. Exceptions from synchronous code are the most straightforward to catch.
Lorsque le constructeur Error() est utilisé comme une fonction, c'est-à-dire sans l'opérateur new, il renverra un objet Error. Aussi, on aura un comportement équivalent qu'on appelle Error avec ou sans le mot-clé new.
https://developer.mozilla.org › en-US › docs › Web › JavaScript › Guide › Control_flow_and_error...
Control flow and error handling - JavaScript | MDN - MDN Web DocsLearn how to use control flow statements, such as if, switch, and loop, to create interactive applications. Also, learn how to handle errors with try, catch, and throw statements.
https://javascript.info › promise-error-handling
Error handling with promises - The Modern JavaScript TutorialThe handler should analyze errors (custom error classes help) and rethrow unknown ones (maybe they are programming mistakes). It’s ok not to use .catch at all, if there’s no way to recover from an error.
https://www.sitepoint.com › javascript-error-handling
The Ultimate Guide to JavaScript Error Handling — SitePointThis tutorial dives into JavaScript error handling so you’ll be able to throw, detect, and handle your own errors. Showing an Error Message is the Last Resort. How JavaScript Processes...
https://dev.to › accreditly › mastering-error-handling-in-javascript-3ice
Mastering Error Handling in JavaScript - DEV CommunityOne of the most common ways to handle errors in JavaScript is using the try...catch statement. It allows you to execute a block of code and catch any errors that occur during its execution. try { // Code that may throw an error } catch (error) { // Code to handle the error }
