JavaScript Tutorial
Data Types in JavaScript (With Example)
Table of Contents
- Introduction
- What Are Data Types in JavaScript?
- Categories of JavaScript Data Types
- All Primitive Data Types (With Examples)
- All Non-Primitive Data Types (With Examples)
- Comparison of Primitive and Non-Primitive Data Types
- Special Features of JavaScript Data Types
FAQs About Data Types in JavaScript
JavaScript data types are categorized into Primitive (e.g., Number, String) and Non-Primitive (e.g., Object, Array, Function).
undefined indicates a variable has been declared but not assigned a value, whereas null explicitly represents no value.
Dynamic typing means variables can change their data type during runtime.
Type coercion is the automatic conversion of a value from one data type to another, such as converting a number to a string.
Use the typeof operator to determine the data type of a value.
This is a legacy behavior in JavaScript due to how null was represented historically.
Yes, arrays in JavaScript can store values of different data types
BigInt allows representation of integers larger than the maximum safe value for the Number type.
