JavaScript Data Types Simplified

JavaScript Data Types

JavaScript has two main types:
Primitive and Non-Primitive (Reference).

Primitive Data Types - These store single values and are immutable.

Data Type	Description	Example
String	Text data	"Hello"
Number	Numeric values	42, 3.14
Boolean	True or false	true, false
Null	Intentional empty value	null
Undefined	Variable not assigned	undefined
BigInt	Large integers	12345678901234567890n
Symbol	Unique identifier	Symbol("id")

Non-Primitive (Reference) Data Types - These store collections or complex data.

Data Type	Description	Example
Object	Key-value pairs	{ name: "Vasanth", age: 25 }
Array	List-like objects	[1, 2, 3]
Function	Reusable blocks of code	function greet() {}

These are the data types used in JavaScript. I will explain each of them in detail in upcoming posts.