Functions.js

// Iteración #1:
function sum(numberOne, numberTwo) {
  if (numberOne > numberTwo) {
    return numberOne;
  } else {
    return numberTwo;
  }
}
//Iteración #2
const avengers = [
  "Hulk",
  "Thor",
  "IronMan",
  "Captain A.",
  "Spiderman",
  "Captain M.",
];
function findLongestWord(param) {
  if (Array.isArray(param)) {
    let len = [];
    param.forEach((a) => len.push(a.length));
    let index = len.map((x) => x);
    let max = len.sort((a, b) => a - b).pop();
    return param[index.indexOf(max)];
  } else {
    return "No es un array";
  }
}
// Iteración #3
const numbers = [1, 2, 3, 5, 45, 37, 58];

function sumAll(param) {
  if (Array.isArray(param)) {
    return param.reduce((a, b) => a + b);
  } else {
    return "No es un array";
  }
}
// Iteración #4
const numbers = [12, 21, 38, 5, 45, 37, 6];

function average(param) {
  if (Array.isArray(param)) {
    return param.reduce((a, b) => a + b) / numbers.length;
  } else {
    return "No es un array";
  }
}
// Iteración #5
const mixedElements = [6, 1, "Rayo", 1, "vallecano", "10", "upgrade", 8, "hub"];

function averageWord(param) {
  if (Array.isArray(param)) {
    let numbers = [];
    param.forEach((d) => {
      if (typeof d == "string") {
        numbers.push(d.length);
      } else {
        numbers.push(d);
      }
    });
    return numbers.reduce((a, b) => a + b) / numbers.length;
  } else {
    return "No es un array";
  }
}
// Iteración #6
const duplicates = [
  "sushi",
  "pizza",
  "burger",
  "potatoe",
  "pasta",
  "ice-cream",
  "pizza",
  "chicken",
  "onion rings",
  "pasta",
  "soda",
];
function removeDuplicates(param) {
  if (Array.isArray(param)) {
    let unique = new Set();
    param.forEach((d) => unique.add(d));
    return unique;
  } else {
    return "No es un array";
  }
}
// Iteración #7
const nameFinder = [
  "Peter",
  "Steve",
  "Tony",
  "Natasha",
  "Clint",
  "Logan",
  "Xabier",
  "Bruce",
  "Peggy",
  "Jessica",
  "Marc",
];
function finderName(param, value) {
  if (Array.isArray(param, value)) {
    if (param.indexOf(value) > 0) {
      return [true, param.indexOf(value)];
    } else {
      return false;
    }
  } else {
    return "No es un array";
  }
}
// Iteración #8
const counterWords = [
  "code",
  "repeat",
  "eat",
  "sleep",
  "code",
  "enjoy",
  "sleep",
  "code",
  "enjoy",
  "upgrade",
  "code",
];
function repeatCounter(param) {
  let result = [];
  let counter = [];
  if (Array.isArray(param)) {
    param.forEach((d) => {
      if (counter.indexOf(d) < 0) {
        counter.push(d);
        result.push([d, 1]);
      } else {
        result[counter.indexOf(d)][1]++;
      }
    });
    return result;
  } else {
    return "No es un array";
  }
}