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1. www.w3schools.com › js › js_datatypesJavaScript Data Types - W3Schools

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   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;

2. developer.mozilla.org › JavaScript › Data_structuresJavaScript data types and data structures - JavaScript | MDN

   developer.mozilla.org › JavaScript › Data_structures

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   3 days ago · 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.

3. www.geeksforgeeks.org › javascript-data-typesJavaScript Data Types - GeeksforGeeks

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   • Video Duration: 14 min

   • Number: The number type in JavaScript contains both integer and floating-point numbers. Besides these numbers, we also have some ‘special-numbers’ in javascript that are: ‘Infinity’, ‘-Infinity’, and ‘NaN’.
   • String: A String in javascript is basically a series of characters that are surrounded by quotes. There are three types of quotes in Javascript, which are
   • Boolean: The boolean type has only two values: true and false. This data type is used to store yes/no values: true means “yes, correct”, and false means “no, incorrect”.
   • NULL: The special null value does not belong to any of the default data types. It forms a separate type of its own which contains only the null value: let age = null;

4. www.programiz.com › javascript › data-typesJavaScript Data Types (with Examples) - Programiz

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   Learn about the 8 basic data types in JavaScript, including primitive and non-primitive types. See examples of strings, numbers, bigints, booleans, undefined, null, symbols, and objects.

5. javascript.info › typesData types - The Modern JavaScript Tutorial

   javascript.info › types

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   Nov 1, 2022 · There are eight basic data types in JavaScript. Here, we’ll cover them in general and in the next chapters we’ll talk about each of them in detail. We can put any type in a variable.

6. www.javascripttutorial.net › javascript-data-typesJavaScript Data Types

   www.javascripttutorial.net › javascript-data-types

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   Summary: in this tutorial, you will learn about JavaScript data types and their unique characteristics. JavaScript has the primitive data types: null; undefined; boolean; number; string; symbol – available from ES2015; bigint – available from ES2020; and a complex data type object.

7. People also ask

   What are JavaScript data types?

   • Note: JavaScript data types are divided into primitive and non-primitive types. Primitive Data Types: They can hold a single simple value. String, Number, BigInt, Boolean, undefined, null, and Symbol are primitive data types. Non-Primitive Data Types: They can hold multiple values. Objects are non-primitive data types.

   JavaScript Data Types (with Examples) - Programiz

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   What are primitive data types in JavaScript?

   • The predefined data types provided by JavaScript language are known as primitive data types. Primitive data types are also known as in-built data types. JavaScript numbers are always stored in double-precision 64-bit binary format IEEE 754. JavaScript Strings are made up of a list of characters, essentially an array of characters.

   JavaScript Data Types - GeeksforGeeks

   www.geeksforgeeks.org/javascript-data-types/

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   What are JavaScript Object Types?

   • Built-in object types can be: objects, arrays, dates, maps, sets, intarrays, floatarrays, promises, and more. A JavaScript variable can hold any type of data. In programming, data types is an important concept. To be able to operate on variables, it is important to know something about the type.

   JavaScript Data Types - W3Schools

   www.w3schools.com/js/js_datatypes.asp

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   Can a variable hold different data types in JavaScript?

   • JavaScript has dynamic types. This means that the same variable can be used to hold different data types: A string (or a text string) is a series of characters like "John Doe". Strings are written with quotes. You can use single or double quotes: You can use quotes inside a string, as long as they don't match the quotes surrounding the string:

   JavaScript Data Types - W3Schools

   www.w3schools.com/js/js_datatypes.asp

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8. web.dev › learn › javascriptData types and structures | web.dev

   web.dev › learn › javascript

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   Mar 31, 2024 · Learn about the seven primitive data types in JavaScript: numbers, strings, booleans, null, undefined, BigInt, and Symbol. See examples and how to use them in variables and expressions.