JavaScript Data Types
Data types represent the different kinds of values we can use in JavaScript.
There are altogether 8 basic data types in JavaScript.
| Data Type | Description | Example |
| String | Textual data | "hello" |
| Number | An integer or a floating-point number | 3 |
| BigInt | An integer with arbitrary precision | 10n |
| Boolean | Any of two values: true or false | true or false |
| undefined | A data type whose variable is not initialized | let a; |
| null | Denotes a null value | let a = null; |
| Symbol | A data type whose instances are unique and immutable | let value = Symbol('hello'); |
| Object | Key-value pairs of collection of data | let student = {name: "John"}; |