script.js

// BASIC OPERATORS

// Math Operations
/*
const dob = 2021;

const ageEke = dob - 1997;
const ageSarah = dob - 2010;
console.log(ageEke, ageSarah);

console.log(ageEke * 2, ageSarah / 10, 2 ** 3);
// 2 ** 3 means 2 raised to the power of 3 = 2 * 2 * 2

const firstName = "Victor";
const lastName = "Eke";
console.log(firstName + " " + lastName);

// Typeof operators
console.log(typeof firstName);

// Assignment operators
let x = 10 + 5; // 15
x += 10; // x = x + 10 = 25
x *= 4; //x = x * 4 = 100
x++; // x = x + 1
x--; // x = x - 1
x--; // x = x - 1
console.log(x);

// Comparison operators
console.log(ageEke > ageSarah); // >, <, >=, <=
console.log(ageSarah >= 10);

const isFullAge = ageSarah >= 10;
console.log(dob - 1991 > dob - 2010);

*/

// Maths Operators
const now = 2037;
const ageEke = now - 1997;
const ageSarah = now - 2018;
// log multiple items together.
console.log(ageEke, ageSarah);

console.log(ageEke * 2, ageEke / 10, 2 ** 3);
// 2 ** 3 means 2 to the power of 3 = 2 * 2 *2

// Arithimetic operator

const firstName = "Victor";
const lastName = "Eke";
console.log(firstName + lastName);

// Add space between strings
console.log(firstName + " " + lastName);

// Typeof Operator
// let ageEke = 32;
// console.log(typeof ageEke);

// Equal operator: the equals symbol is an operator on it's own.

// Assignment operators
let x = 10 + 5; // x = 15
x += 10; // x = x + 10 = 25
x *= 4; // x = x * 4 = 100
x++; // x = x + 1;
x--; // x = x - 1;
console.log(x);

// Comparison operators
console.log(ageEke > ageSarah);
console.log(ageSarah >= 18);
console.log(ageSarah <= 18);

// Add the previous calculation to a variable.
const fullAge = ageSarah >= 18;

// We can do all the previous calculation in one line
console.log(now - 1997 > now - 2018);