JavaScript Numbers

Numbers in JavaScript are represented using the number data type. They can be integers or floating-point numbers.

Integer Numbers

Integer numbers are whole numbers without any decimal points.

const integerNumber = 42;

Floating-Point Numbers

Floating-point numbers, or floats, are numbers with decimal points.

const floatNumber = 3.14;

Basic Arithmetic Operations

You can perform various arithmetic operations on numbers in JavaScript.

const num1 = 10;
const num2 = 5;

console.log(num1 + num2); // Addition: 15
console.log(num1 - num2); // Subtraction: 5
console.log(num1 * num2); // Multiplication: 50
console.log(num1 / num2); // Division: 2
console.log(num1 % num2); // Modulus: 0

NaN (Not a Number)

JavaScript returns NaN when an operation results in a value that is not a valid number.

const result = 10 / "apple";
console.log(result); // Output: NaN

Understanding JavaScript numbers and arithmetic operations is fundamental for performing mathematical calculations and building applications that involve numerical data.