Array Algo Challenge Main

array-algo-challenge-main.markdown

Array Algo Challenge Main

A Pen by Wiley on CodePen.

License.

script.js

// ARRAY 1
const texasss = [
  {
    name: 'Mike',
    age: 23,
    gender: 'm',
    us: false,
  },
  {
    name: 'Liz',
    age: 20,
    gender: 'f',
    us: true,
  },
  {
    name: 'Chris',
    age: 102,
    gender: 'm',
    us: true,
  },
  {
    name: 'Chuloo',
    age: 27,
    gender: 'm',
    us: false,
  },
  {
    name: 'Annie',
    age: 30,
    gender: 'f',
    us: true,
  },
]

// Part 1 - Find all users older than 24
const users24 = texasss.filter((val)=>{
  return val.age > 24
})

console.log(users24)


// Part 2 - Find the total age of all users
const totalAge = texasss.map((user)=> user.age).reduce((prev, next)=> prev + next)
console.log(totalAge)


// Part 3 - List all users in the US
const usersUS = texasss.filter(user => {
  return user.us == true;
})

console.log(usersUS)

// ARRAY 2
const newieyork = [
  {
    name: 'Michelle',
    age: 65,
    coder:true,
    gender: 'f',
    us: true,
  },
  {
    name: 'Sam',
    age: 25,
    coder:false,
    gender: 'm',
    us: false,
  },
  {
    name: 'Ivy',
    age: 26,
    coder:true,
    gender: 'f',
    us: false,
  },
  {
    name: 'Nick',
    age: 32,
    coder:true,
    gender: 'm',
    us: true,
  },
  {
    name: 'Jim',
    age: 17,
    coder:false,
    gender: 'm',
    us: true,
  },
]

// Part 1 - List all users in US in ascending order
const sortedUS = newieyork

sortedUS.sort((a, b) => {
  const x = a.name.toLowerCase()
  const y = b.name.toLowerCase()
  return x < y ? -1 : 1 
})

console.log(sortedUS)
    

// Part 2 - Sort all users by age
const sortedAge = newieyork

sortedAge.sort((a, b) => {
  return a.age - b.age
})

console.log(sortedAge)


// Part 3 -  List all female coders
const femaleCoders = newieyork.filter(val=>{
  return val.gender == 'f'
})

console.log(femaleCoders)


// ARRAY 3
const vegzas = [
  {
    name: 'Charly',
    age: 22,
    coder:true,
    gender: 'm',
  },
  {
    name: 'Law',
    age: 21,
    coder:true,
    gender: 'm',
  },
  {
    name: 'Rosey',
    age: 42,
    coder:false,
    gender: 'f',
  },
  {
    name: 'Steph',
    age: 18,
    coder:true,
    gender:'f'
  },
  {
    name: 'Jon',
    age: 47,
    coder:false,
    gender: 'm',
  },
]

// Part 1 - Find the total age of male coders under 25
const maleCodersAge = vegzas
  .filter(val => val.gender == 'm' && val.age < 25)
  .map(male => male.age)
  .reduce((prev, next)=> prev + next)

console.log(maleCodersAge)


// Part 2 - List all male coders over 30
const maleCodersOver30 = vegzas.filter(val => {
  return val.age > 30 && val.gender == 'm'
})

console.log(maleCodersOver30)



// Part 3 - Find the total age of everyone in texasss, newieyork and vegzas combined.
const totalAges = []

texasss.map(val => totalAges.push(val.age))
newieyork.map(val => totalAges.push(val.age))
vegzas.map(val => totalAges.push(val.age))

const ageSum = totalAges.reduce((prev, next)=> prev + next)
console.log(ageSum)