Merge 999baf6f82 into 29e4101818
Gideon Buba
9 months ago
committed by
GitHub
commit
857f57c4fd
@ -1,2 +1,300 @@
|
||||
console.log(countries)
|
||||
alert('Open the console and check if the countries has been loaded')
|
||||
// alert('Open the console and check if the countries has been loaded')
|
||||
// Day 7 exercises
|
||||
// Exercise 1 & 2
|
||||
const fullName = (firstName, secondName) => {
|
||||
return `My full name is ${firstName} ${secondName}`
|
||||
};
|
||||
|
||||
const name = fullName('Gideon', 'Buba')
|
||||
console.log(name);
|
||||
|
||||
// Exercise 3
|
||||
function addNum(x, y) {
|
||||
let sum = x + y;
|
||||
return sum;
|
||||
}
|
||||
|
||||
console.log(addNum(20, 20))
|
||||
|
||||
// Exercise 4
|
||||
|
||||
function areaOfRectangle(length, width) {
|
||||
const rectangleArea = length * width;
|
||||
return rectangleArea;
|
||||
}
|
||||
|
||||
console.log(areaOfRectangle(50, 30))
|
||||
|
||||
// Exercise 5
|
||||
function perimeterOfRectangle(length, width) {
|
||||
let perimeter = 2 * (length + width)
|
||||
return perimeter
|
||||
}
|
||||
|
||||
console.log(perimeterOfRectangle(50, 30))
|
||||
|
||||
// Exercise 6
|
||||
function volumeOfRectPrism(length, width, height) {
|
||||
let volume = length * width * height;
|
||||
return volume;
|
||||
}
|
||||
|
||||
console.log(volumeOfRectPrism(70, 30, 40))
|
||||
|
||||
// Exercise 7
|
||||
function areaOfCircle(r) {
|
||||
let π = Math.PI;
|
||||
let area = π * r * r;
|
||||
return area;
|
||||
}
|
||||
|
||||
console.log(areaOfCircle(30))
|
||||
|
||||
// Exercise 8
|
||||
function circumOfCircle(r) {
|
||||
let π = Math.PI;
|
||||
let circumference = 2*π*r ;
|
||||
return circumference
|
||||
}
|
||||
|
||||
console.log(circumOfCircle(10))
|
||||
|
||||
// Exercise 9
|
||||
function calculateDensity(mass, volume) {
|
||||
let density = mass / volume;
|
||||
return density;
|
||||
}
|
||||
|
||||
console.log(calculateDensity(20, 30))
|
||||
|
||||
// Exercise 10
|
||||
function calculateSpeed (distance, time) {
|
||||
let speed = distance / time;
|
||||
return speed;
|
||||
}
|
||||
|
||||
console.log(calculateSpeed(50, 60))
|
||||
|
||||
// Exercise 11
|
||||
function calculateWeight (mass) {
|
||||
const gravity = 9.8
|
||||
const weight = mass * gravity;
|
||||
return weight;
|
||||
}
|
||||
|
||||
console.log(calculateWeight(60))
|
||||
|
||||
// Exercise 12
|
||||
function convertCelsiusToFahrenheit (celcius) {
|
||||
let conversion = (celcius * 9 / 5) + 32;
|
||||
return conversion;
|
||||
}
|
||||
|
||||
console.log(convertCelsiusToFahrenheit(50))
|
||||
|
||||
// Exercise 13
|
||||
function bmi (weightInKg, heightInMeterSquare) {
|
||||
let findBmi = weightInKg / (heightInMeterSquare * heightInMeterSquare);
|
||||
|
||||
if (findBmi < 18.5) {
|
||||
return 'You are underweight'
|
||||
} else if (findBmi >= 18.8 && findBmi < 24.9) {
|
||||
return "Your BMI is normal"
|
||||
} else if (findBmi === 25 && findBmi < 29.9) {
|
||||
return `You have a slightly overweight`
|
||||
} else if (findBmi >= 30) {
|
||||
return `You are obese`;
|
||||
} else {
|
||||
return 'Invalid Input'
|
||||
}
|
||||
}
|
||||
|
||||
console.log(bmi(72, 1.83))
|
||||
|
||||
// Exercise 14
|
||||
function checkSeason(month) {
|
||||
const autumn = ['september', 'october', 'november']
|
||||
const winter = ['december', 'january', 'february']
|
||||
const spring = ['march', 'april', 'may']
|
||||
const summer = ['june', 'july', 'august']
|
||||
|
||||
const lowerCaseMonth = month.toLowerCase();
|
||||
|
||||
if (autumn.includes(lowerCaseMonth)) {
|
||||
return `${month} is autumn`
|
||||
} else if (winter.includes(lowerCaseMonth)) {
|
||||
return `${month} is winter`
|
||||
} else if (spring.includes(lowerCaseMonth)) {
|
||||
return `${month} is spring`
|
||||
} else if (summer.includes(lowerCaseMonth)) {
|
||||
return `${month} is summer`
|
||||
} else {
|
||||
return 'Invalid Input'
|
||||
}
|
||||
}
|
||||
|
||||
console.log(checkSeason('JuNe'))
|
||||
|
||||
// Exercise 15
|
||||
function largestArgument (x, y, z) {
|
||||
let highestValue = Math.max(x, y, z)
|
||||
return highestValue;
|
||||
}
|
||||
|
||||
console.log(largestArgument(10, 7, 19))
|
||||
|
||||
|
||||
// Day 7 exercises Level 2
|
||||
|
||||
// Exercise 1
|
||||
function solveLinEquation(a, b, c, x, y) {
|
||||
const linearEquation = a * x + b * y + c;
|
||||
return linearEquation;
|
||||
}
|
||||
|
||||
const result = solveLinEquation(2, 3, 4, 5, 6);
|
||||
console.log(result); // Example input: a = 2, b = 3, c = 4, x = 5, y = 6
|
||||
|
||||
// Exercise 2
|
||||
function solveQuadratic(a, b, c) {
|
||||
if (a === undefined) {
|
||||
return { 0: 0 };
|
||||
}
|
||||
|
||||
const discriminant = b ** 2 - 4 * a * c;
|
||||
|
||||
if (discriminant > 0) {
|
||||
const x1 = (-b + Math.sqrt(discriminant)) / (2 * a);
|
||||
const x2 = (-b - Math.sqrt(discriminant)) / (2 * a);
|
||||
return { x1, x2 };
|
||||
} else if (discriminant === 0) {
|
||||
const x = -b / (2 * a);
|
||||
return { x };
|
||||
} else {
|
||||
return {};
|
||||
}
|
||||
}
|
||||
|
||||
console.log(solveQuadratic()); // {0}
|
||||
console.log(solveQuadratic(1, 4, 4)); // {-2}
|
||||
console.log(solveQuadratic(1, -1, -2)); // {2, -1}
|
||||
console.log(solveQuadratic(1, 7, 12)); // {-3, -4}
|
||||
console.log(solveQuadratic(1, 0, -4)); // {2, -2}
|
||||
console.log(solveQuadratic(1, -1, 0)); // {1, 0}
|
||||
|
||||
// Exercise 3
|
||||
function printArray(arr) {
|
||||
for (let i = 0; i < arr.length; i++) {
|
||||
console.log(arr[i]);
|
||||
}
|
||||
}
|
||||
|
||||
const myArray = [1, 2, 3, 4, 5];
|
||||
printArray(myArray);
|
||||
|
||||
// Exercise 4
|
||||
function showDateTime () {
|
||||
let date = new Date();
|
||||
|
||||
let day = date.getDate();
|
||||
let month = date.getMonth() + 1;
|
||||
let year = date.getFullYear();
|
||||
|
||||
return `${day}/${month}/${year}`;
|
||||
}
|
||||
|
||||
showDateTime()
|
||||
|
||||
// Exercise 5
|
||||
function swapValues(x, y) {
|
||||
let temp = x;
|
||||
x = y;
|
||||
y = temp;
|
||||
|
||||
return { x, y };
|
||||
}
|
||||
|
||||
console.log(swapValues(3, 4));
|
||||
console.log(swapValues(4, 5));
|
||||
|
||||
// Exercise 6
|
||||
function reverseArray(arr) {
|
||||
let reversed = [];
|
||||
for (let i = arr.length - 1; i >= 0; i--) {
|
||||
reversed.push(arr[i]);
|
||||
}
|
||||
return reversed;
|
||||
}
|
||||
|
||||
console.log(reverseArray([1, 2, 3, 4, 5])); // Output: [5, 4, 3, 2, 1]
|
||||
console.log(reverseArray(['A', 'B', 'C'])); // Output: ['C', 'B', 'A']
|
||||
|
||||
// Exercise 7
|
||||
function capitalizeArray(arr) {
|
||||
let upperCase = [];
|
||||
for (let i = 0; i < arr.length; i++) {
|
||||
let capitalizeElement = arr[i].toUpperCase();
|
||||
upperCase.push(capitalizeElement);
|
||||
}
|
||||
|
||||
return upperCase;
|
||||
}
|
||||
|
||||
console.log(capitalizeArray(['a', 'b', 'c', 'd']))
|
||||
|
||||
// Exercise 8
|
||||
function addItem(item) {
|
||||
let itemArr = [];
|
||||
itemArr.push(item);
|
||||
return itemArr;
|
||||
}
|
||||
|
||||
console.log(addItem('Egusi')); // Output: ['Egusi']
|
||||
|
||||
// Exercise 9
|
||||
function removeItem(arr, index) {
|
||||
if (index >= 0 && index < arr.length) {
|
||||
arr.splice(index, 1);
|
||||
}
|
||||
return arr;
|
||||
}
|
||||
|
||||
const originalArray = ['apple', 'banana', 'cherry', 'date'];
|
||||
const modifiedArray = removeItem(originalArray, 1);
|
||||
|
||||
console.log(modifiedArray);
|
||||
|
||||
// Exercise 10
|
||||
function sumOfNumbers (x, y) {
|
||||
let sum = 0;
|
||||
|
||||
if (x < y) {
|
||||
for (let i = x; i <= y; i++) {
|
||||
sum += i;
|
||||
}
|
||||
}
|
||||
|
||||
return sum
|
||||
}
|
||||
|
||||
console.log(sumOfNumbers(1, 5))
|
||||
|
||||
// Exercise 11
|
||||
function sumOfOdds (x, y) {
|
||||
let sum = 0;
|
||||
|
||||
if (x % 2 === 0 || y % 2 === 0) {
|
||||
for (let i = x; i <= y; i++) {
|
||||
sum += i;
|
||||
}
|
||||
return sum;
|
||||
}
|
||||
}
|
||||
|
||||
console.log(sumOfOdds)
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@ -1,2 +1,154 @@
|
||||
console.log(countries)
|
||||
alert('Open the console and check if the countries has been loaded')
|
||||
|
||||
const users = {
|
||||
Alex: {
|
||||
email: 'alex@alex.com',
|
||||
skills: ['HTML', 'CSS', 'JavaScript'],
|
||||
age: 20,
|
||||
isLoggedIn: false,
|
||||
points: 30
|
||||
},
|
||||
Asab: {
|
||||
email: 'asab@asab.com',
|
||||
skills: ['HTML', 'CSS', 'JavaScript', 'Redux', 'MongoDB', 'Express', 'React', 'Node'],
|
||||
age: 25,
|
||||
isLoggedIn: false,
|
||||
points: 50
|
||||
},
|
||||
Brook: {
|
||||
email: 'daniel@daniel.com',
|
||||
skills: ['HTML', 'CSS', 'JavaScript', 'React', 'Redux'],
|
||||
age: 30,
|
||||
isLoggedIn: true,
|
||||
points: 50
|
||||
},
|
||||
Daniel: {
|
||||
email: 'daniel@alex.com',
|
||||
skills: ['HTML', 'CSS', 'JavaScript', 'Python'],
|
||||
age: 20,
|
||||
isLoggedIn: false,
|
||||
points: 40
|
||||
},
|
||||
John: {
|
||||
email: 'john@john.com',
|
||||
skills: ['HTML', 'CSS', 'JavaScript', 'React', 'Redux', 'Node.js'],
|
||||
age: 20,
|
||||
isLoggedIn: true,
|
||||
points: 50
|
||||
},
|
||||
Thomas: {
|
||||
email: 'thomas@thomas.com',
|
||||
skills: ['HTML', 'CSS', 'JavaScript', 'React'],
|
||||
age: 20,
|
||||
isLoggedIn: false,
|
||||
points: 40
|
||||
},
|
||||
Paul: {
|
||||
email: 'paul@paul.com',
|
||||
skills: ['HTML', 'CSS', 'JavaScript', 'MongoDB', 'Express', 'React', 'Node'],
|
||||
age: 20,
|
||||
isLoggedIn: false,
|
||||
points: 40
|
||||
}
|
||||
}
|
||||
|
||||
//alert('Open the console and check if the countries has been loaded')
|
||||
|
||||
// Day 8
|
||||
// Exercise 1
|
||||
const dog = {};
|
||||
|
||||
// Exercise 2
|
||||
console.log(dog);
|
||||
|
||||
// Exercise 3
|
||||
dog.name = 'Bingo';
|
||||
dog.legs = 4;
|
||||
dog.color = 'Brown';
|
||||
dog.age = 10;
|
||||
dog.bark = function () {
|
||||
return 'woof woof'
|
||||
}
|
||||
|
||||
// Exercise 4
|
||||
console.log(dog.name);
|
||||
console.log(dog.legs);
|
||||
console.log(dog.color);
|
||||
console.log(dog.age);
|
||||
console.log(dog.bark());
|
||||
|
||||
// Exercise 5
|
||||
dog.breed = 'Bulldog';
|
||||
dog.getDogInfo = function () {
|
||||
return `${this.name} is a ${this.color} ${this.breed}, it has ${this.legs} legs`;
|
||||
}
|
||||
|
||||
console.log(dog.getDogInfo);
|
||||
|
||||
// Exercise Level 2
|
||||
// Exercise 1
|
||||
let maxSkills = 0;
|
||||
let skillFullPerson = '';
|
||||
|
||||
for (const user in users) {
|
||||
if (users[user].skills.length > maxSkills) {
|
||||
maxSkills = users[user].skills.length;
|
||||
skillFullPerson = user;
|
||||
}
|
||||
}
|
||||
|
||||
console.log(skillFullPerson)
|
||||
|
||||
// Exercise 2
|
||||
let loggedInCount = 0;
|
||||
let highPointsCount = 0;
|
||||
|
||||
for (const user in users) {
|
||||
if (users[user].isLoggedIn) {
|
||||
loggedInCount++;
|
||||
}
|
||||
if (users[user].points >= 50) {
|
||||
highPointsCount++;
|
||||
}
|
||||
}
|
||||
|
||||
console.log('Logged In Users:', loggedInCount);
|
||||
console.log('Users with >= 50 Points:', highPointsCount);
|
||||
|
||||
// Exercise 3
|
||||
let mernDevelopers = [];
|
||||
|
||||
for (const user in users) {
|
||||
if (users[user].skills.includes('MongoDB') && users[user].skills.includes('Express') && users[user].skills.includes('React') && users[user].skills.includes('Node')) {
|
||||
mernDevelopers.push(user);
|
||||
}
|
||||
}
|
||||
|
||||
console.log(`MERN developers are: ${mernDevelopers}`)
|
||||
|
||||
// Exercise 4
|
||||
const myName = 'Gideon';
|
||||
users[myName] = {
|
||||
email: 'bubaambore@gmail.com.com',
|
||||
skills: ['HTML', 'CSS', 'JavaScript'],
|
||||
age: 21,
|
||||
isLoggedIn: false,
|
||||
points: 30
|
||||
}
|
||||
|
||||
// Exercise 5
|
||||
const keys = Object.keys(users);
|
||||
console.log('Keys:', keys);
|
||||
|
||||
// Exercise 6
|
||||
const values = Object.values(users);
|
||||
console.log('Values:', values)
|
||||
|
||||
// Exercise 7
|
||||
const countries = {
|
||||
USA: {
|
||||
capital: 'Washington, D.C.',
|
||||
population: 331002651,
|
||||
languages: ['English']
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,2 +1,116 @@
|
||||
console.log(countries)
|
||||
alert('Open the console and check if the countries has been loaded')
|
||||
//console.log(countries)
|
||||
// alert('Open the console and check if the countries has been loaded')
|
||||
|
||||
const countries = ['Finland', 'Sweden', 'Denmark', 'Norway', 'IceLand']
|
||||
const names = ['Asabeneh', 'Mathias', 'Elias', 'Brook']
|
||||
const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
|
||||
const products = [
|
||||
{ product: 'banana', price: 3 },
|
||||
{ product: 'mango', price: 6 },
|
||||
{ product: 'potato', price: ' ' },
|
||||
{ product: 'avocado', price: 8 },
|
||||
{ product: 'coffee', price: 10 },
|
||||
{ product: 'tea', price: '' },
|
||||
]
|
||||
|
||||
// Exercise level 1
|
||||
// Explain the difference betwenn forEach, Map, and reduce
|
||||
|
||||
// Exercise 1
|
||||
/*
|
||||
The forEach method is a higher order function that is used to loop through elements of an array and apply the provided function to each element.
|
||||
The map function is used to transform elements of an array, it creates a new array by applying the provided function to each element of the original array.
|
||||
The reduce function is used to process elements of an array an produce a single result.
|
||||
*/
|
||||
|
||||
// Exercise 2
|
||||
|
||||
|
||||
// Exercise 3
|
||||
countries.forEach((country) => console.log(country))
|
||||
|
||||
// Exercise 4
|
||||
names.forEach((name) => console.log(name))
|
||||
|
||||
// Exercise 5
|
||||
numbers.forEach((number) => console.log(number))
|
||||
|
||||
// Exercise 6
|
||||
const upperCaseCountries = countries.map((country) => country.toUpperCase());
|
||||
|
||||
// Exercise 7
|
||||
const countriesLength = countries.map((country) => country.length);
|
||||
|
||||
// Exercise 8
|
||||
const square = numbers.map((number) => number * number)
|
||||
|
||||
// Exercise 9
|
||||
const upperCaseNames = names.map((name) => name.toUpperCase())
|
||||
|
||||
// Exercise 10
|
||||
const prices = products.map(product => product.price);
|
||||
|
||||
// Exercise 11
|
||||
const countriesWithLand = countries.filter((country) => country.includes('land'))
|
||||
|
||||
// Exercise 12
|
||||
const countriesWithSixLetters = countries.filter((country) => country.length === 6);
|
||||
|
||||
// Exercise 13
|
||||
const countriesWithSixLettersandMore = countries.filter((country) => country.length >= 6);
|
||||
|
||||
// Exercise 14
|
||||
const countriesStartingWithE = countries.filter((country) => country.startsWith('E'));
|
||||
|
||||
// Exercise 15
|
||||
const pricesWithValues = products.filter((price) => typeof products.price === 'number' && !isNaN(price));
|
||||
|
||||
// Exercise 16
|
||||
function getStringList(array) {
|
||||
const nonStringElements = array.filter((element) => typeof element !== 'string');
|
||||
return nonStringElements
|
||||
}
|
||||
|
||||
// Exercise 17
|
||||
const sumNumbers = numbers.reduce((acc, curr) => acc + curr, 0);
|
||||
|
||||
console.log(sumNumbers)
|
||||
|
||||
// Exercise 18
|
||||
const europeanCountries = countries.reduce((country) )
|
||||
|
||||
// Exercise 19
|
||||
/*
|
||||
- `some`: Returns `true` if at least one element in the array satisfies the provided condition.
|
||||
- `every`: Returns `true` only if all elements in the array satisfy the provided condition.
|
||||
*/
|
||||
|
||||
// Exercise 20
|
||||
const namesGreaterThanSeven = names.some((name) => name > 7);
|
||||
|
||||
// Exercise 21
|
||||
const everyCountryWithLand = countries.every((country) => country.includes('land'))
|
||||
|
||||
//Exercise 22
|
||||
/*
|
||||
find: Returns the first element in the array that satisfies the provided condition, or undefined if no element is found.
|
||||
findIndex: Returns the index of the first element in the array that satisfies the provided condition, or -1 if no element is found.
|
||||
*/
|
||||
|
||||
// Exercise 23
|
||||
const countryWithSixLetters = countries.find((country) => country.length === 6);
|
||||
|
||||
// Exercise 24
|
||||
const indexOfcountryWithSixLetters = countries.findIndex((country) => country.length === 6);
|
||||
|
||||
// Exercise 25
|
||||
const indexOfNorway = countries.findIndex((country) => country === 'Norway');
|
||||
|
||||
// Exercise 26
|
||||
const indexOfRussia = countries.findIndex((country) => country === 'Russia');
|
||||
|
||||
|
||||
// Exercise level 2
|
||||
// Exercise 1
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in new issue