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https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Statements › try...catch

try...catch - JavaScript | MDN - MDN Web Docs

L'instruction try...catch regroupe des instructions à exécuter et définit une réponse si l'une de ces instructions provoque une exception. Exemple interactif. Syntaxe. js. try { . instructions_try. } catch (exception_var_1 if condition_1) { // non-standard . instructions_catch_1. } . … catch (exception_var_2) { . instructions_catch_2.

https://fr.javascript.info › try-catch

Gestion des erreurs, "try...catch" - JavaScript

La structure try...catch permet de gérer les erreurs d’exécution. Cela permet littéralement “d’essayer” (try) d’exécuter le code et “d’attraper” (catch) les erreurs qui peuvent s’y produire. La syntaxe est la suivante :

https://www.w3schools.com › jsref › jsref_try_catch.asp

JavaScript try/catch/finally Statement - W3Schools

The try statement defines the code block to run (to try). The catch statement defines a code block to handle any error. The finally statement defines a code block to run regardless of the result.

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Statements › try...catch

try...catch - JavaScript | MDN - MDN Web Docs

The try...catch statement is comprised of a try block and either a catch block, a finally block, or both. The code in the try block is executed first, and if it throws an exception, the code in the catch block will be executed.

https://javascript.info › try-catch

Error handling, "try...catch" - The Modern JavaScript Tutorial

The “try…catch” syntax. The try...catch construct has two main blocks: try, and then catch: try { // code... } catch (err) { // error handling } It works like this: First, the code in try {...} is executed. If there were no errors, then catch (err) is ignored: the execution reaches the end of try and goes on, skipping catch.

https://www.pierre-giraud.com › ... › gestion-erreur-exception-try-catch

Gestion des erreurs en JavaScript - Pierre Giraud

On tente d’exécuter notre fonction dans le bloc try et on capture les exceptions dans le bloc catch. Ce bloc catch se charge d’afficher le message lié à l’erreur qu’on a défini ci-dessus.

Gestion des erreurs en JavaScript - Pierre Giraud

https://www.javascripttutorial.net › javascript-try-catch

JavaScript try…catch

This tutorial shows you how to use JavaScript try...catch statement to handle exceptions.

https://www.javascripttutorial.net › javascript-try-catch-finally

JavaScript try…catch…finally

Use the finally clause in the try...catch...finally statement to execute a block whether exceptions occur or not. The try...catch...finally statement ignores the return statement in the try and catch blocks because the finally block always executes.

https://runebook.dev › fr › docs › javascript › statements › try...catch

JavaScript - try...catch [fr] - Runebook.dev

L'instruction try...catch est composée d'un bloc try et d'un bloc catch, d'un bloc finally ou des deux. Le code du bloc try est exécuté en premier, et s'il lève une exception, le code du bloc catch sera exécuté.

http://devdoc.net › web › developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Statements › try...catch.html

try...catch - JavaScript | MDN

The try...catch statement marks a block of statements to try, and specifies a response, should an exception be thrown.