https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Statements › throw
throw - JavaScript | MDN - MDN Web DocsThe throw statement throws a user-defined exception that stops the current function and passes control to the first catch block in the call stack. Learn the syntax, examples, and specifications of the throw statement in JavaScript.
https://www.w3schools.com › js › js_errors.asp
JavaScript Errors Try Catch Throw - W3SchoolsLearn how to use try, catch, throw and error object to handle errors in JavaScript code. See examples of syntax, type, range, eval and other error types and how to validate input.
https://stackoverflow.com › questions › 783818
How do I create a custom Error in JavaScript? - Stack Overflowfunction CustomError(message) { this.name = 'CustomError'; this.message = message || ''; var error = new Error(this.message); error.name = this.name; this.stack = error.stack; } CustomError.prototype = Object.create(Error.prototype); try { throw new CustomError('foobar'); } catch (e) { console.log('name:', e.name); console.log('message:', e ...
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.javascripttutorial.net › javascript-throw-exception
JavaScript throw ExceptionLearn how to use the throw statement to raise an error in JavaScript and handle it with the try...catch statement. See examples of throwing strings, Error instances and custom errors.
https://www.w3schools.com › jsref › jsref_throw.asp
JavaScript throw Statement - W3SchoolsLearn how to use the throw statement to generate an exception and control program flow with try and catch. See examples of throwing different types of expressions and browser support.
https://javascript.info › custom-errors
Custom errors, extending Error - The Modern JavaScript TutorialLearn how to create and use custom error classes in JavaScript by extending the built-in Error class. See examples of ValidationError, PropertyRequiredError and how to handle them with try..catch.
https://rollbar.com › guides › javascript › how-to-throw-exceptions-in-javascript
How to Throw Exceptions in JavaScript - RollbarIn JavaScript, all exceptions are simply objects. While the majority of exceptions are implementations of the global Error class, any old object can be thrown. With this in mind, there are two ways to throw an exception: directly via an Error object, and through a custom object.
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. Find out how to use try...catch blocks, standard error types, asynchronous functions, and promises for better error management.
https://www.codecademy.com › learn › javascript-errors-debugging › modules › errors-and-error...
Learn JavaScript: Error Handling: Errors and Error ... - CodecademyThe JavaScript Error () function creates an error object with a custom message. This function takes a string argument which becomes the value of the error’s message property. An error created with this function will not stop a program from running unless the throw keyword is used to raise the error.
