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//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.push("turtle"));

console.log(favoriteAnimals);

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

console.log(addedAnimalOfJim.splice(1, 0, "meerkat"));

console.log("The new value will be: ['blowfish', 'meerkat', 'capricorn', 'giraffe', 'turtle']");

console.log(addedAnimalOfJim);

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

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

console.log(deletedAnimalOfJason.splice(-2, 1,));

console.log(deletedAnimalOfJason.length);

console.log(deletedAnimalOfJason[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"};

for (const elements in country) {

console.log(country.elements = country[elements]);

}

//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, code, age){

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 newVehicle = advertisement;

console.log(newVehicle.push("scooter"));

consol.log(newVehicle);

//12.

let empty = {};

//13+14

let teachers = {

name : ["Rob", "Philip", "Unmesh"]

};

console.log(teachers);

let task = teachers.skills = ["HTML/CSS", "HTML/CSS", "JavaScript"];

console.log(task);

//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.