https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Operators › typeof

L'opérateur typeof renvoie une chaîne qui indique le type de son opérande. Découvrez les résultats possibles, les exemples, les erreurs et la zone morte temporaire liées à ce type d'opérateur.

https://www.w3schools.com › js › js_typeof.asp

Learn how to use the typeof operator to check the data type of a JavaScript variable or expression. See the difference between primitive and complex data types, and how to use the constructor property and the instanceof operator.

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Operators › typeof

Learn how to use the typeof operator to check the type of any JavaScript value, such as number, string, object, or function. See the syntax, parameters, examples, and exceptions of this operator.

https://www.javascripttutorial.net › javascript-typeof

Learn how to use the typeof operator that returns a string representing the type of a value, variable, or expression. See syntax, examples, and special cases of null, functions, and parentheses.

http://devdoc.net › web › developer.mozilla.org › en-US › docs › JavaScript › Reference › Operators › typeof.html

Learn how to use the typeof operator to check the type of a JavaScript expression. See the syntax, parameters, description, examples, and browser compatibility of this operator.

https://www.programiz.com › javascript › typeof

Learn how to use the typeof operator to check the type of variables and values in JavaScript. See the syntax, types, and examples of the typeof operator.

https://www.w3schools.com › js › tryjs_typeof3.htm

The JavaScript typeof Operator. The typeof operator returns the type of a variable or expression: string number

https://runebook.dev › fr › docs › javascript › operators › typeof

Syntax. js. typeof operand. Parameters. operand. Expression représentant l'objet ou primitive dont le type doit être renvoyé. Description. Le tableau suivant résume les valeurs de retour possibles de typeof . Pour plus d'informations sur les types et les primitives, consultez également la page JavaScript data structure .

https://masteringjs.io › tutorials › fundamentals › typeof

Learn how to use the typeof operator to check the type of a variable as a string in JavaScript. See the 8 data types, the null exception, the error cases, and the workaround for null.

https://www.geeksforgeeks.org › javascript-typeof-operator

Learn how to use the typeof operator to determine the data type of a variable or expression in JavaScript. See examples of primitive and non-primitive data types, and how to compare values and types with the operator.