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

JavaScript has 8 Datatypes. String. Number. Bigint. Boolean. Undefined. Null. Symbol. Object. The Object Datatype. The object data type can contain both built-in objects, and user defined objects: Built-in object types can be: objects, arrays, dates, maps, sets, intarrays, floatarrays, promises, and more. Examples. // Numbers: let length = 16;

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Data_structures

This article attempts to list the built-in data structures available in JavaScript and what properties they have. These can be used to build other data structures. The language overview offers a similar summary of the common data types, but with more comparisons to other languages.

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

Primitive Data Types. In JavaScript, a primitive value is a single value with no properties or methods. JavaScript has 7 primitive data types: string; number; boolean; bigint; symbol; null; undefined; The typeof operator returns the type of a variable or an expression.

https://developer.mozilla.org › fr › docs › Web › JavaScript › Data_structures

Les types de données JavaScript. L'ensemble des types disponible en JavaScript se compose des valeurs primitives et des objets. Les valeurs primitives (des données immuables, représentées au niveau le plus bas du langage) Le type booléen. Le type nul. Le type indéfini. Le type nombre. Le type pour les grands entiers.

https://javascript.info › types

There are 8 basic data types in JavaScript. Seven primitive data types: number for numbers of any kind: integer or floating-point, integers are limited by ±(2 53-1). bigint for integer numbers of arbitrary length. string for strings. A string may have zero or more characters, there’s no separate single-character type. boolean for true/false.

https://fr.javascript.info › types

Il existe 8 types de données de base en JavaScript. Sept types de données primitifs : number pour les nombres de toute nature : entier ou virgule flottante, les nombres entiers sont limités à ±(2 53 -1). bigint pour des nombres entiers de longueur arbitraire. string pour les chaînes de caractères.

https://www.programiz.com › javascript › data-types

Data types represent the different kinds of values we can use in JavaScript. In this tutorial, you will learn about the various data types available in JavaScript with the help of examples.

https://web.dev › learn › javascript › data-types

JavaScript. Data types and structures. bookmark_border. Primitives are the simplest types of data in JavaScript. A primitive literal is a value, with no wrapper or properties of its own.

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Guide › Grammar_and_types

This chapter discusses JavaScript's basic grammar, variable declarations, data types and literals. Basics. JavaScript borrows most of its syntax from Java, C, and C++, but it has also been influenced by Awk, Perl, and Python. JavaScript is case-sensitive and uses the Unicode character set.

https://javascript.info › data-types

Data types. More data structures and more in-depth study of the types. Methods of primitives. Numbers. Strings. Arrays. Array methods. Iterables. Map and Set. WeakMap and WeakSet. Object.keys, values, entries. Destructuring assignment. Date and time. JSON methods, toJSON. Ctrl + ← Ctrl + →.