Training JS

training.js

'use strict'

let walk = function() {
  return 'Walking...'
}

let talk = function() {
  return this.sound
}

let smell = function() {
  return 'Smelling...'
}

let travel = function() {
  return 'Traveling...'
}

let develop = function() {
  return 'Coding...'
}

let teach = function() {
  return 'Teaching...'
}

let dog = Object.create({
  name: 'Pitico',
  sound: 'Auau',
  talk,
  smell
})

let person1 = {
  walk,
  talk,
  smell,
  travel
}

let person2 = {
  name: 'Marco',
  sound: function(name) {
    return `Hahahaha! ${name}`
  },
  walk,
  talk,
  smell,
  travel,
  develop
}

console.log(person1)

console.log(`${dog.name}: `, `${dog.talk()}`)
console.log(`${person1.name}: `, person1.talk())
console.log(`${person2.name}: `, person2.talk()(person2.name), person2.develop())

function range(start, end) {
  start = parseInt(start)
  end = parseInt(end)
  let array
  let aux
  
  if(start < end) {
    array = [start]
    aux = start
  
    while(aux < end) {
      array.push(aux + 1)
      aux++
    }
  } else {
    array = [start]
    aux = start
  
    while(aux > end) {
      array.push(aux - 1)
      aux--
    }
  }

  return array
}

function betterRange(start, end) {
  return new Array(Math.abs((start) - (end)) + 1)
    .fill()
    .map((d, i) => {
      if(start < end) {
        return i +(start)
      }

      return i +(end)
    })
    .sort((a, b) => {
      if (start > end) {
        return b - a
      }

      return a - b
    })
}

console.log(range(55, 9))

function numberRange (start, end) {
  return new Array(1 + end - start).fill().map((d, i) => i + start);
}

console.log(new Array(1 + 10 - 2).fill().map((d, i) => i + 2))

let sum = function(item) {
  return item.reduce(function(a, b) {
    return a + b
  })
}

console.log(range(10, 55).find(element => element === 10))