https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Statements › throw
throw - JavaScript | MDN - MDN Web DocsLearn how to use the throw statement to generate user-defined errors in JavaScript. See syntax, examples, and browser compatibility for this statement.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Statements › throw
throw - JavaScript | MDN - MDN Web DocsPropager une exception. L'instruction throw peut être utilisée pour transmettre une exception qui aurait été interceptée avec catch. Dans l'exemple suivant, on intercepte une exception avec une valeur numérique et on propage l'exception si la valeur est supérieure à 50.
https://www.w3schools.com › js › js_errors.asp
JavaScript Errors Try Catch Throw - W3SchoolsLearn how to use try, catch, throw and finally statements to handle errors in JavaScript code. See examples of different types of errors, error objects and how to create custom errors.
https://www.javascripttutorial.net › javascript-throw-exception
JavaScript throw ExceptionLearn how to use the throw statement to throw an exception in JavaScript and how to handle it with the try...catch statement. See examples of throwing strings, Error instances and custom errors.
https://stackoverflow.com › questions › 69165892
javascript - How to throw an exception with a status code ... - Stack ...function CustomException(message) { const error = new Error(message); error.code = "THIS_IS_A_CUSTOM_ERROR_CODE"; return error; } CustomException.prototype = Object.create(Error.prototype); then you can throw your custom exception:
https://www.w3schools.com › jsref › jsref_throw.asp
JavaScript throw Statement - W3SchoolsLearn how to use the throw statement to generate an exception and handle it with try and catch blocks. See examples of different types of exceptions and how to control program flow with them.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Error
Error - JavaScript | MDN - MDN Web DocsIl est possible de définir ses propres types d'erreur dérivés de Error et d'utiliser alors throw new MonErreur() et instanceof MonErreur pour vérifier le type d'erreur lors du traitement. Cela permet d'avoir un code plus concis et cohérent pour le traitement des erreurs.
https://www.sitepoint.com › javascript-error-handling
The Ultimate Guide to JavaScript Error Handling - SitePointLearn how to throw, detect, and handle errors in JavaScript with this comprehensive guide. Explore standard error types, asynchronous functions, promises, and custom exception strategies.
The throw statement throws a user-defined exception. Execution of the current function will stop (the statements after throw won't be executed), and control will be passed to the first catch block in the call stack. If no catch block exists among caller functions, the program will terminate.
https://javascript.info › custom-errors
Custom errors, extending Error - The Modern JavaScript TutorialJavaScript allows to use throw with any argument, so technically our custom error classes don’t need to inherit from Error. But if we inherit, then it becomes possible to use obj instanceof Error to identify error objects.