//String

let myString = "Hello,this,is,a,difficult-,to-,read,sentence";

console.log(myString);

console.log(myString.length);

myString = myString.replace(/,/g, " ");

console.log(myString);

//Arrays

let favoriteAnimals = ["blowfish", "capricorn", "giraffe"];

console.log(favoriteAnimals);

let favoriteAnimalsOfMauro = ["blowfish", "capricorn", "giraffe", "turtle"];

console.log(favoriteAnimalsOfMauro);

let favoriteAnimalsOfJim = ["blowfish", "meerkat", "capricorn", "giraffe", "turtle"];

console.log("The favorite animal of Jim is added to the array.");

console.log(favoriteAnimalsOfJim);

console.log("The array has a length of:", favoriteAnimalsOfJim.length);

let favoriteAnimalsOfJason = ["blowfish", "meerkat", "capricorn", "turtle"];

console.log(favoriteAnimalsOfJason);

console.log(favoriteAnimalsOfJason.length);

console.log(favoriteAnimalsOfJason[1], "The item you are looking for is at index:2");

//JavaScript

function sum(a, b, c) {

return a + b + c;

}

console.log(sum(5, 3, 2));

//2.

function colorCar(color){

return "A" + color + "car";

}

console.log(colorCar("red"));

//3.

let country = {Land: "The Netherlands", Population:"17 million", Capital:"Amsterdam"};

console.log(country);

console.log(country.Land);

console.log(country.Population);

//4.

function vehicleType(color, code){

if (code === 1){

console.log("A" + color + "car");

} else if (code === 2){

console.log("A" + color + "motorbike");}

}

vehicleType("blue", 2);

//5.

3===3 ? console.log("Yes") : console.log("No");

//6

function vehicle(color, code, age){

if (code === 1 || age > 5){

console.log("A" + "" + color + "" + "used car");

} else if (code === 2 || age < 5){

console.log("A" + "" + color + "" + "new car");

}

}

vehicle("blue", 1, 5);

//7.

const vehicleList = [

"motorbike",

"caravan",

"bike",

"bicycle",

"car"

];

console.log(vehicleList.length);

console.log(vehicleList[2]);

//9

function newVehicle(color){

if (vehicleList[2] = 3){

console.log("A" + "" + color + "" + "new" + "" + "bike");

} else (vehicleList[2] > 3);{

console.log("A" + "" + color + "" + "old" + "" + "bike")

}

}

newVehicle("green", 3, 1);

//10

const advertisement = vehicleList;

console.log(advertisement);

for (let index = 0; index < advertisement; index++) {

console.log(advertisement[index]);

}

if (advertisement.length = 5) {

console.log("Amazing Joe's Garage >>> Here we service cars, motorbikes, caravans and bikes.");

}else {

console.log("Amazing Joe's Garage >>> Here we service bulldozers, lorries and trucks.");

}

//11

const newVehicleList = advertisement + "" + "scooter";

console.log(newVehicleList);

//12.

let object;

//13+14

let teachers = {Philip: "HTML/CSS", Rob: "HTML/CSS", Hardit: "CLI", Bonan: "CLI", Ogor: "CLI", Unmesh: "GIT", Marciano: "JS", Sander: "JS"};

//15

let x = [1, 2, 3];

let y = [1, 2, 3];

let z = y;

console.log(x == y);

console.log(x === y);

console.log(x == z);

console.log(x === z);

console.log(y == z);

console.log(y === z);

//16.

let o1 = { foo: "bar" };

let o2 = { foo: "bar" };

let o3 = o2;

console.log(o1);

console.log(o2);

console.log(o3);

//Do you mean to make new ones?

let o1New = {quur: "quuur"};

let o2New = {quur: "quuur"};

let o3New = o2New;

console.log(o1New);

//17.

let bar = 42;

typeof typeof bar;

console.log(typeof bar); //->> number.

console.log(typeof typeof bar); //->> string.

//the end.