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// WHILE LOOP

// while(condition) {

// code that gets executed as long as the condition is true

// }

// let i = 0;

// while (i < 10) {

// console.log(i);

// i++;

// };

// let someArray = ['Mike', 'Maria', 'John', 'Ali', 'Sonia'];

// let notFound = true;

// while (notFound && someArray.length > 0) {

// if (someArray[0] === 'Ali') {

// console.log('Found her');

// notFound = false;

// } else {

// someArray.shift();

// }

// console.log(someArray); // that's left behind

// // FibonacciArray

// let nr1 = 0;

// let nr2 = 1;

// let temp;

// const fibonacciArray = [];

// while (fibonacciArray.length < 25) {

// fibonacciArray.push(nr1);

// temp = nr1 + nr2;

// nr1 = nr2;

// nr2 = temp;

// }

// console.log(fibonacciArray);

// console.log(nr2);

// let result = 0;

// fibonacciArray.forEach( (add) => {

// result += add;

// })

// console.log(result);

// Practice Exercise 5.1

// const maxVale = 5;

// const solution = Math.floor(Math.random() * maxVale) + 1;

// let isCorrect = false;

// if(!isCorrect) {

// const userGuess = Number(prompt(`Guess a between 1 to ${maxVale}`))

// if(userGuess === solution) {

// isCorrect = true;

// console.log('Correct you guessed the number');

// } else if (userGuess > solution) {

// console.log('To high! try again');

// } else {

// console.log('To low! try again');

// }

// DO-WHILE LOOP

// do {

// code to be executed if condition is true

// } while(condition)

// let number;

// do {

// number = prompt('Please enter a number between 0 to 100');

// } while(!(number >= 0 && number < 100));

// Practice Exercise 5.2

let counter = 0;

let step = 5;

do {

counter += step;

console.log(counter);

} while (counter <= 100);

// for loop

// for(initialize variable; condition; statement) {

// code to be executed

// }

for (let i = 0; i <= 10; i++) {

console.log(i);

}

let arr = [];

for(let i = 1; i <= 100; i++) {

arr.push(i);

};

let arrTotal = 0;

arr.forEach((add) => {

arrTotal += add;

});

console.log(arr);

console.log(arrTotal);

let arr2 = [];

for (let i = 0; i <= 100; i = i + 2) {

arr2.push(i);

};

let arrTotal2 = 0;

arr2.forEach((add) => {

arrTotal2 += add;

});

console.log(arr2);

console.log(arrTotal2);

// Practice Exercise 5.3

let myWork = [];

for (let i = 1; i <= 10; i++) {

let obj = {

lesson: i,

status: i % 2 === 0? false : true,

};

myWork.push(obj)

}

console.log(myWork);

// Nested loops

let arrayOfArrays = [];

for (let i = 0; i < 3; i++) {

arrayOfArrays.push([]);

for (let j = 1; j < 7; j++) {

arrayOfArrays[i].push(j);

}

};

console.table(arrayOfArrays);

// Practice exercise 5.4

let myTable = [];

const rows = 20;

const column = 10;

let counter2 = 0;

for (let i = 0; i <= rows; i++) {

let tempTable = [];

// myTable.push([]);

for (let j = 1; j <= column; j++) {

counter2++;

tempTable.push(counter2);

}

myTable.push(tempTable);

}

console.table(myTable);

// loops and array

let names = ['Ali', 'Bobbi', 'John', 'Same', 'Maria'];

for(let i = 0; i < names.length; i++) {

console.log(names[i]);

}

let names2 = ['Ali', 'Bobbi', 'John', 'Same', 'Maria'];

for(let i = 0; i < names2.length; i++) {

names2[i] = 'Hello ' + names2[i];

}

console.log(names2);

let names3 = ['Ali', 'Bobbi', 'John', 'Same', 'Maria'];

for(let i = 0; i < names3.length; i++) {

if(names3[i].startsWith('M')) {

delete names3[i];

continue;

}

names3[i] = 'Hey ' + names3[i];

}

console.log(names3);

// Practice exercise 5.5

const grid = [];

const row = [];

const cells = 64;

let count = 0;

for(let i = 0; i <= cells + 1; i++) {

if(count % 8 === 0) {

row.push(count);

}

grid.push(row);

count++;

}

console.table(grid);

// for of loop

let names4 = ['Bob', 'Zia', 'Jon', 'Gru', 'Tai', 'Loo' ];

for( name of names4) {

console.log(name);

}

// Exercise 5.6

let arr3 = [];

for (let i = 1; i <= 10; i++) {

arr3.push(i);

}

console.log(arr3);

for (let i = arr3.length; i <= arr3.length; i++) {

console.log(arr3.length);

}

for (num of arr3) {

console.log(num);

}

// Loops and Objects

// for in loop

let car = {

model: 'Land cruiser',

make: 'Toyota',

year: 2026,

color: 'white',

}

for (property in car) {

console.log(car[property]);

}

// just log property

for (property in car) {

console.log(property);

}

// Practice exercise 5.7

let newObj = {

name: 'mia',

age: 22,

country: 'Pakistan',

}

for (prop in newObj) {

console.log(prop + ': ' + newObj[prop]);

}

let newArr = ['mia', 22, 'Pakistan'];

for (prop in newArr) {

console.log(newArr[prop]);

}

// Looping over objects by converting to an array

let car2 = {

model: 'Land cruiser',

make: 'Toyota',

year: 2026,

color: 'white',

}

let arrayKeys = Object.keys(car2);

console.log(arrayKeys);

for (key of Object.keys(car2)) {

console.log(key);

}

for (key of Object.values(car2)) {

console.log(key);

}

for (let i = 0; i < arrayKeys.length; i++) {

console.log(arrayKeys[i] + ': ' + car2[arrayKeys[i]]);

}

let arrayEntries = Object.entries(car2);

console.log(arrayEntries);

for (let [key, value] of Object.entries(car2)) {

console.log(key,':', value);

}

// Break and continue

let cars = [

{

model: 'civic',

make: 'Honda',

year: 2026,

color: 'black',

{

model: 'Land cruiser',

make: 'Toyota',

year: 2026,

color: 'white',

{

model: 'SVG',

make: 'fer',

year: 2022,

color: 'red',

{

model: 'Land',

make: 'kia',

year: 2006,

color: 'white',

];

for (let i = 0; i < cars.length; i++) {

if(cars[i].year >= 2022) {

if(cars[i].color === 'red'){

console.log(`I have found my car`, cars[i]);

break;

}

for (car of cars) {

if (car.color !== 'black' ){

continue;

}

if (car.year >= 2026) {

console.log(` I have found my cars`, car);

}

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