05_arithmeticOperator.js

console.log("===== Addition + Operator =====");
var n1 = 10;
var n2 = 20;
var result = n1 + n2;
console.log(`Addition is: ${result}`);

console.log("========= Subtraction - operator ==============");
var n1 = 30;
var n2 = 20;
var result = n1 - n2;
console.log(`Subtraction is: ${result}`);

console.log("========= Multiplication *  operator ==============");
var n1 = 5;
var n2 = 6;
var result = n1 * n2;
console.log(`Multiplication is: ${result}`);

console.log("========= Exponential **  operator ==============");
var n1 = 5;
var n2 = 3;
var result = n1 ** n2;
console.log(`Multiplication is: ${result}`);

console.log("========= Division /  operator ==============");
var n1 = 5;
var n2 = 3;
var result = n1 / n2;

console.log(`Division is: ${result}`);
console.log("========= Modulus %  operator ==============");
var n1 = 11;
var n2 = 3;
var result = n1 % n2;
console.log(`Reminder or modulus is: ${result}`);

console.log("========= Increment ++  operator ==============");
var n1 = 10;
var result = ++n1; // n1 = n1 + 1  // Prefix
console.log(`Result is: ${result}`);

var n2 = 20;
var resultValue = n2++; // n2 = n2 + 1 Postfix
console.log(`Result is: ${resultValue}`);

console.log("========= Decrement --  operator ==============");
var n1 = 10;
var result = --n1; // n1 = n1 - 1  // Prefix
console.log(`Result is: ${result}`);

var n2 = 20;
var resultValue = n2--; // n2 = n2 - 1 Postfix
console.log(`Result is: ${resultValue}`);