moisescastillo

// JS: map() method

let clientes = [
  {nombre: "Luis", edad: 22},
  {nombre: "Alberto", edad: 31},
  {nombre: "Eduardo", edad: 19}
];

let foo = clientes.map(function(cliente) {
  return cliente.nombre; 

moisescastillo

// JavaScript Function Call

let person = {
  bio: function() {
    return `Name: ${this.name}, Age: ${this.age}`;
  }
}

function greeting(message) {
  return `${this.name} : ${message}`;

moisescastillo

const person = {
  name: {first:'Bob', last: 'Smith'},
  age: 32,
  gender: 'male',
  interests: ['Music', 'Boxing'],
  greeting: function() {
    console.log(`Hi, I\'m ${this.name.first}`);
  },
  fullName: function() {
    console.log(`${this.name.first} ${this.name.last}`);

moisescastillo

function Person(name) {
  this.name = name;
  this.greeting = function() {
    console.log(`Hi I'm ${this.name}`);
  }
}

let person1 = new Person('Peter');
let person2 = new Person('Sarah');

moisescastillo

function Person(name) {
  this.name = name;
  this.greeting = function() {
    console.log(`Hi I'm ${this.name}`);
  }
}

let person1 = new Person('Peter');
let person2 = new person1.constructor('Sarah');

moisescastillo

function Person(name) {
  this.name = name;
  this.greeting = function() {
    console.log(`Hi I'm ${this.name}`);
  }
}

let person1 = new Person('Peter');
let person2 = new person1.constructor('Sarah');

moisescastillo

var requestJSON = 'https://mdn.github.io/learning-area/javascript/oojs/json/superheroes.json';

let request = new XMLHttpRequest();

request.open('GET', requestJSON);
request.responseType = 'json';
request.send();

request.onload = function() {
  let data = request.response;

moisescastillo

fetch('https://jsonplaceholder.typicode.com/posts/')
  .then(
    function(response) {
      if (response.status !== 200) {
        console.log(response.status);
        return;
      }
      
      response.json().then(function(data) {
        data.forEach((value, index) => {

moisescastillo

fetch("https://jsonplaceholder.typicode.com/posts/")
  .then(function(response) {
    if (response.ok) {
      response.json().then(function(dataJson) {
        dataJson.forEach((value, index) => {
          console.log(value.id);
          console.log(value.title);
          console.log(value.body);
          console.log(value.userId);
        });

moisescastillo

fetch("https://jsonplaceholder.typicode.com/posts/")
  .then(function(response) {
    if (response.status !== 200) {
      console.log('Error en la respuesta HTTP');
      return;
    }

    return response.json();
  })
  .then(function(dataJson) {