https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Operators › typeof
L'opérateur typeof - JavaScript | MDN - MDN Web DocsL'opérateur typeof renvoie une chaîne qui indique le type de son opérande.
https://www.w3schools.com › js › js_typeof.asp
JavaScript typeof - W3SchoolsLearn how to use the typeof operator to check the data type of a variable or an expression in JavaScript. See examples of primitive and complex data types, and how to distinguish arrays, objects, and functions.
https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Operators › typeof
typeof - JavaScript | MDN - MDN Web DocsLearn how to use the typeof operator to return a string indicating the type of an operand's value, such as "number", "string", or "object". See the syntax, parameters, description, examples, and exceptions of this operator.
https://www.freecodecamp.org › news › javascript-typeof-how-to-check-the-type-of-a...
JavaScript TypeOf – How to Check the Type of a Variable or Object in JSLearn how to use the typeof operator to get the type of any value in JavaScript, and the common gotchas and limitations of this operator. Also, explore better ways to do type checking with instanceof, Object.prototype.toString, and other methods.
https://www.javascripttutorial.net › javascript-typeof
JavaScript typeofLearn how to use the typeof operator to get a string that represents the type of a value, variable, or expression in JavaScript. See examples of different types and how to use parentheses with expressions.
https://www.freecodecamp.org › news › javascript-type-checking-how-to-check-type-in-js...
JavaScript Type Checking – How to Check Type in JS with typeof()Learn how to use the typeof operator to check the type of a value or an expression in JavaScript. See examples of primitive and non-primitive data types and their return values.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Data_structures
Types et structures de données JavaScript - JavaScript | MDNDans cet article, on listera les structures de données natives en JavaScript. On détaillera leurs propriétés et les façons de les utiliser voire de les combiner. Dans certains cas, on comparera ces structures avec celles d'autres langages.
JavaScript. Referência de JavaScript. Expressions and operators. typeof. In This Article. The typeof operator returns a string indicating the type of the unevaluated operand. Syntax. The typeof operator is followed by its operand: typeof operand. Parameters.
https://runebook.dev › fr › docs › javascript › operators › typeof
JavaScript - typeof [fr] - Runebook.devjs. 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
The `typeof` Operator in JavaScript - Mastering JSLearn 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.
