//1

console.log('Hallo', 'wereld!'); // Dutch;

console.log('hola', 'mundo!'); //spanish

console.log('مرحبا', 'العالم!'); //Arabic

//2

console.log("I'm awesome"); // should use two quotations instead of one

//3

const x;

console.log('the value of my variable x will be: undefined');

x = 7; // initialize the value of x

console.log('the value of my variable x will be 7');

console.log(x);

//4

let y;

y = 'hyf';

console.log('the value of y will be :hyf');

console.log(y);

let y = 'code';

console.log('the value of y will be :code');

console.log(y);

//5

const z = 7.25;

console.log(z);

const a = Math.floor(z);

console.log(a);

const max = Math.max(z, a);

console.log(max);//math.floor() rounds the number generated by math.random() down to the last integer. math round used to round a number to its nearest integer

//6

const myLibraries = [];

console.log('the value of the the array is []');

const myFavoriteAnimals = ['dogs', 'elephants', 'turtles', 'cats'];

console.log(myFavoriteAnimals);

const newLength = myFavoriteAnimals.push('baby pig');

console.log(newLength);

//7

const len = myString.length;

console.log(len);

//8

const a = 4;

console.log('the value of my const a is :4');

const b = 'dog';

console.log('the value of my variable animal is :dog');

const c = true;

console.log('the value of my variable age28 is : true');

const d = [1, 2, 3, 4];

console.log('the value of variable a is:' + 'number');

console.log('the value of variable b is :' + 'string ');

console.log('the value of c variable is : ' + 'boolean');

console.log('the value of variable d is :' + 'array ');

const typeA = 4;

typeof typeA; //number

const typeB = 'dog';

typeof typeB; //string

const typeC = true;

typeof typeC; // boolean

const typeD = [1, 2, 3, 4];

typeof typeD; // number

console.log(typeof typeA);

console.log(typeof typeB);

console.log(typeof typeC);

console.log(typeof typeD);

if (typeA === typeB, typeA === typeC || typeA === typeD) {

console.log('same type');

}

if (typeA != typeB, typeA != typeC || typeA != typeD) {

console.log('Not the same type');

}

//9

let x = 7;

x = x % 3;

console.log('the value of x is :1 ');

let y = 8;

y = y % 6;

console.log(2);

let z = 4;

z = z % 3;

console.log(1);

let b = 11;

b = b % 2;

console.log(1);

//10

let arr = [1, 'dog', 32, 'baby']; // you can add different types of values in one array.

// you can compare infinities

let x = "Not in Eyad's world";

var b = 6 / 0;

let c = 10 / 0;

if (b === c) {

console.log(true); // it shows true then you can compare infinities

}

let x = 4;

let y = 0;

console.log(x / y); // it shows infinity