Woodsphreaker

const n = (y) => [...Array(y).keys()]

const calc = (x) => (acc) => acc *= x

const pow = (y, x) => n(y).reduce(calc(x), 1)

console.log(`3 ^ 1 = ${pow(1, 3)}`) // 3
console.log(`3 ^ 2 = ${pow(2, 3)}`) // 9
console.log(`3 ^ 3 = ${pow(3, 3)}`) // 27
console.log(`3 ^ 4 = ${pow(4, 3)}`) // 81

Woodsphreaker

/* Smartphones (portrait and landscape) ----------- */

@media only screen and (min-device-width: 320px) and (max-device-width: 480px) {
    /* Styles */
}
/* Smartphones (landscape) ----------- */

@media only screen and (min-width: 321px) {
    /* Styles */
}

Woodsphreaker

const groupSame = (acc, el) => {
    acc[el] 
      ? acc[el]++
      : acc[el] = 1
    return acc
}
const countDuplicate = (list) => list.reduce(groupSame, {})

const groupMostRepeat = (obj) => Object.keys(obj).reduce((a, b) => obj[a] > obj[b] ? a : b)

Woodsphreaker

const groupSame = (acc, el) => {
    acc[el] 
      ? acc[el]++
      : acc[el] = 1
    return acc
}
const groupDuplicate = (list) => list.reduce(groupSame, {})

const findDuplicate = (el) => groupDuplicate([...el])

Woodsphreaker

const arr1 = [1,2,3,4,5,6,7]
const arr2 = [1, 3, 5, 7]

const filter = (el) => !arr2.includes(el)
const filter2 = (el) => arr2.indexOf(el) === -1
const filter3 = (el) => arr2.every(el2 => el2 !== el)
const filter4 = (el) => !arr2.some(el2 => el2 === el)

console.log(arr1.filter(filter))
console.log(arr1.filter(filter2))

Woodsphreaker

const makeTableAPI = (() => {

    const makeRows = (data) => {

        const rows = data.reduce((acc, row) => {
            acc += ` <tr>\n${makeCols(row)} </tr>\n`
            return acc
        }, '')

        return rows

Woodsphreaker

/*
Aqui é definido uma função para cada operação matemática
Cada função recebe 2 parametros a,b e depois é aplicada a aperação pertinente a cada uma, retornando o valor já calculado 
*/
const plus = (a = 0 , b = 0) => a + b
const times = (a = 0, b = 0) => a * b
const minus = (a = 0, b = 0) => a - b
const division = (a = 1, b = 1) => a / b

/*

Woodsphreaker

const getService = (type) => {

  const pres   = () => "ppt"
  const doc    = () => "doc"
  const sheet  = () => "sheet"
  const text   = () => "text"
  const pdf    = () => "pdf"
  const other  = () => "default"

  const service = {

Woodsphreaker

const arrObj = [

    //Primeiro elemento

    [
        {
            "name": "Distri Equipamente Cirurgicos",
            "data": 18
        },

Woodsphreaker

const a = {
    k1: 1,
    k2: 2,
    k3: {
        k3_1: 3
    }
}

const b = {
    k1: 1,