What are the mathematical operators available in JavaScript?

/ / Published in Web Development, EITC/WD/JSF JavaScript Fundamentals, Basic programming in JavaScript, Working with variables and operators, Examination review

In JavaScript, there are several mathematical operators available that allow you to perform various arithmetic operations. These operators are fundamental tools for working with variables and performing calculations in JavaScript. Understanding these operators is essential for writing effective and efficient JavaScript code.

1. Addition Operator (+): The addition operator is used to add two values together. It can be used with both numbers and strings. When used with numbers, it performs the addition operation. When used with strings, it concatenates the two strings together.

Example:

javascript
let a = 5;
let b = 10;
let result = a + b; // 15

let str1 = "Hello";
let str2 = "World";
let message = str1 + " " + str2; // "Hello World"

2. Subtraction Operator (-): The subtraction operator is used to subtract one value from another. It is primarily used with numbers to perform the subtraction operation.

Example:

javascript
let a = 10;
let b = 5;
let result = a - b; // 5

3. Multiplication Operator (*): The multiplication operator is used to multiply two values together. It is primarily used with numbers to perform the multiplication operation.

Example:

javascript
let a = 5;
let b = 10;
let result = a * b; // 50

4. Division Operator (/): The division operator is used to divide one value by another. It is primarily used with numbers to perform the division operation.

Example:

javascript
let a = 10;
let b = 2;
let result = a / b; // 5

5. Modulus Operator (%): The modulus operator is used to find the remainder after dividing one value by another. It is primarily used with numbers.

Example:

javascript
let a = 10;
let b = 3;
let result = a % b; // 1

6. Exponentiation Operator (**): The exponentiation operator is used to raise a base number to the power of an exponent. It is primarily used with numbers.

Example:

javascript
let a = 2;
let b = 3;
let result = a ** b; // 8

These are the basic mathematical operators available in JavaScript. Understanding how to use them correctly is important for performing calculations and manipulating variables in JavaScript.

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