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30-Days-Of-React
mirror of https://github.com/Asabeneh/30-Days-Of-React
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:spakles: fix: Resolved issues involving objects (level 1 and level 2)

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pull/268/head
Helder Cambuta 3 years ago
parent 8ad787242b
commit e368ae9b39
5 changed files with 230 additions and 0 deletions
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13
01_Day_JavaScript_Refresher/solutions/conditionals/level3/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Level 3 Exercise</title>
</head>
<body>
<script src="./level3.js"></script>
</body>
</html>

88
01_Day_JavaScript_Refresher/solutions/conditionals/level3/level3.js
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/**
* 1. Write a program which tells the number of days in a month.
* */
const daysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
let month = prompt('Enter a month: ')
month = month.toLowerCase()
if (month == 'january') {
console.log(`January has ${daysInMonth[0]} day`)
}
else if (month == 'february') {
console.log(`February has ${daysInMonth[1]} day`)
}
else if (month == 'march') {
console.log(`March has ${daysInMonth[2]} day`)
}
else if (month == 'april') {
console.log(`April has ${daysInMonth[3]} day`)
}
else if (month == 'may') {
console.log(`May has ${daysInMonth[4]} day`)
}
else if (month == 'june') {
console.log(`June has ${daysInMonth[5]} day`)
}
else if (month == 'july') {
console.log(`July has ${daysInMonth[6]} day`)
}
else if (month == 'august') {
console.log(`August has ${daysInMonth[7]} day`)
}
else if (month == 'september') {
console.log(`September has ${daysInMonth[8]} day`)
}
else if (month == 'october') {
console.log(`October has ${daysInMonth[9]} day`)
}
else if (month == 'november') {
console.log(`November has ${daysInMonth[10]} day`)
}
else if (month == 'december') {
console.log(`December has ${daysInMonth[11]} day`)
}
/**
* 1.2. Write a program which tells the number of days in a month,
* now consider leap year.
* */
month = prompt('Enter a month in leap year: ')
month = month.toLowerCase()
if (month == 'january') {
console.log(`January has ${daysInMonth[0]} day`)
}
else if (month == 'february') {
console.log(`February has ${daysInMonth[1]+1} day`)
}
else if (month == 'march') {
console.log(`March has ${daysInMonth[2]} day`)
}
else if (month == 'april') {
console.log(`April has ${daysInMonth[3]} day`)
}
else if (month == 'may') {
console.log(`May has ${daysInMonth[4]} day`)
}
else if (month == 'june') {
console.log(`June has ${daysInMonth[5]} day`)
}
else if (month == 'july') {
console.log(`July has ${daysInMonth[6]} day`)
}
else if (month == 'august') {
console.log(`August has ${daysInMonth[7]} day`)
}
else if (month == 'september') {
console.log(`September has ${daysInMonth[8]} day`)
}
else if (month == 'october') {
console.log(`October has ${daysInMonth[9]} day`)
}
else if (month == 'november') {
console.log(`November has ${daysInMonth[10]} day`)
}
else if (month == 'december') {
console.log(`December has ${daysInMonth[11]} day`)
}

26
01_Day_JavaScript_Refresher/solutions/objects/level1/level1.js
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// 1. Create an empty object called dog
const dog = {}
// 2. Print the the dog object on the console
console.log(dog)
/** 3. Add name, legs, color, age and bark properties for the dog object.
* The bark property is a method which return woof woof
* */
dog.name = 'Madara'
dog.leps = 4
dog.color = 'Black'
dog.age = 1
dog.bark = function() {
return 'woof woof'
}
// 4. Get name, legs, color, age and bark value from the dog object
let values = Object.values(dog)
// 5. Set new properties the dog object: breed, getDogInfo
dog.breed = ''
dog.getDogInfo = function() {
return `Its name is ${this.name}, its is ${this.color}, its is ${this.age}
years old.`
}

103
01_Day_JavaScript_Refresher/solutions/objects/level2/level2.js
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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
}
}
// Find the person who has many skills in the users object.
const userWithMaxSkills = (users) => Object.entries(users)
.reduce((res, [username, data]) => {
console.log(res)
if (data.skills.length > res.maxSkills) {
return {
maxSkills: data.skills.length,
user: {
[username]: data
}
}
}
return res
}, {
maxSkills: -1,
user: undefined
}).user
/**
* Count logged in users,count users having greater than equal
* to 50 points from the following object.
* */
const usersIsLogged = Object.values(users).filter(user => user.isLoggedIn).length
const usersUnderPoints = Object.values(users).filter(user => user.points >= 50).length
console.log(`User logged: ${usersIsLogged}, users having greater than equal to 50 points ${usersUnderPoints}`)
// Find people who are MERN stack developer from the users object
const usersMERNStack = Object.values(users)
.filter(user => user.skills.includes('MongoDB', 'Express', 'React', 'Node'))
/**
* Set your name in the users object without modifying the
* original users object
*/
const Nangazaki = Object.assign(users.Asab)
Nangazaki.email = 'heldercambuta44@gmail.com'
Nangazaki.skills = ['HTML', 'CSS', 'JavaScript', 'VueJS', 'TailwindCSS']
Nangazaki.age = 21
// Get all keys or properties of users object
const keys = Object.keys(users)
// Get all the values of users object
const values = Object.values(users)
// Use the countries object to print a country name, capital, populations and languages.

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01_Day_JavaScript_Refresher/solutions/objects/level3/level3.js
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