Javascript Primitive data types

JavaScript has six primitive data types, which are:

Number:

It represents numeric values. It can be an integer or a floating-point number. It is declared using the keyword number.

Example:

let num = 10;
let pi = 3.14;

String:

It represents a sequence of characters. It is declared using single quotes (‘) or double quotes (“).

Example:

let name = 'John';
let message = "Hello, World!";

Boolean:

It represents a logical value of true or false. It is declared using the keywords true or false.

Example:

let isCorrect = true;
let isWrong = false;

Null:

 It represents the intentional absence of any object value. It is declared using the keyword null.

Example:

let value = null;

Output:

Undefined:

It represents the absence of a defined value. It is declared using the keyword undefined.

Example:

let num;
console.log(num); // output: undefined

Symbol:

 It represents a unique identifier. It is declared using the keyword symbol.

Example:

let sym1 = Symbol();
let sym2 = Symbol('foo');
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