basic_objects.js

////////////////////////////////////////////////
// 1 -- How Would you print the country of the variable city?
////////////////////////////////////////////////

var city = {name: "London", country: "UK"};

// city.country;



////////////////////////////////////////////////
// 2 -- How would you add a property to the same variable of location = Europe?
////////////////////////////////////////////////

var city = {name: "London", country: "UK"}

// city.location = "Europe";



////////////////////////////////////////////////
// 3 -- Do you think there would be any difference by creating objects like these? Would they reach the same outcome?
////////////////////////////////////////////////

var city = {name: "Berlin", country: "Germany"};
// OR/AND
var city = {};
city.name = "Berlin";
city.country = "Germany";



////////////////////////////////////////////////
// 4 -- Do you think there would be any difference by creating objects like these? Would they reach the same outcome?
////////////////////////////////////////////////

var city = new Object();
city.name = "Paris";
city.country = "France";
// OR/AND
var city = {};
city.name = "Paris";
city.country = "France";



////////////////////////////////////////////////
// 5 -- How can you print with console.log the next sentence using the provided object:
//      "I am from Spain but I have never been to Barcelona."
////////////////////////////////////////////////

var city = {name: "Barcelona", country: "Spain"};

// console.log("I am from " + city.country + " but I have never been to " + city.name + ".");



////////////////////////////////////////////////
// 6 -- Create an object whose properties have the strings "tomorrow" and "cinema".
//      Then create a sentence using both words.
////////////////////////////////////////////////

// var myObject = {word1: "tomorrow", word2: "cinema"};
// console.log("I am meeting a friend " + myObject.word1 + ". We will probably go to the " + myObject.word2 + ".");



////////////////////////////////////////////////
// 7 -- With the given object:
////////////////////////////////////////////////

var myPet = {name: "Dumbo Octopus", class: "Cephalopoda"}

// What do you think the following statements may return?
myPet.name;
myPet["name"];
myPet.class;
myPet["class"];

// the same.



////////////////////////////////////////////////
// 8 -- With the given object:
////////////////////////////////////////////////

var myObject = {prop1: "I think", prop2: "therefore I am"}

// What do you think the following statement may return?
myObject.prop3

// undefined



////////////////////////////////////////////////
// 9 -- I want to get the sum of both properties of both objects. How can I do that?
////////////////////////////////////////////////

var notepad1 = {num: 5};
var notepad2 = {num: 7};

// notepad1.num + notepad2.num



////////////////////////////////////////////////
// 10 -- I want to get the sum of both properties of both objects. How can I do that?
////////////////////////////////////////////////

var notepad1 = {1: 5}
var notepad2 = {one: 7}

// notepad1[1] + notepad2.one



////////////////////////////////////////////////
// 11 -- Create an object with the necessary information of your favorite recipe.
//       It should contain at least the name, an array of 4 ingredients and for how many people would you prepare it.
////////////////////////////////////////////////

var myRecipe = {
  name: "Cannelloni with Bechamel",
  ingredients: ["Minced beef", "Chopped Parsley", "Béchamel Sauce", "Grated Parmesan"],
  commensal: 4
}

// How would you iterate through the array of ingredients of the object?
// myRecipe.ingredients.map(function(ing) {
//   console.log(ing);
// })



////////////////////////////////////////////////
// 12 -- There has been a fugue in the Reactor and the developers can't find the solution.
//       They called you to fix it.
//       When you try to create the following object, it is throwing an error, what is going on?
//       Try to find out first without debugging.
////////////////////////////////////////////////

var newMission = {
  location: "Secret",
  danger: "high",
  skillsNeeded: "Courage and some JavaScript",
  time: "for yesterday!"
  attempts: "one",
  superHeroSuitProvided: "yes"
}



////////////////////////////////////////////////
// 13 -- Before checking it in the console, what do you think it would return crowdedPub.dayTime?
//       And what do you think the crowdedPub object would look like? How many properties would there be?
////////////////////////////////////////////////

var crowdedPub = {
  dayTime: "Morning",
  dayTime: "Afternoon",
  dayTime: "Evening",
  dayTime: "Night"
}



////////////////////////////////////////////////
// 14 -- You want the job? Go get it..
////////////////////////////////////////////////

jobOffer = {
  next: {
    year: {
      i: {
        will: {
          be: {
            a: {
              developer: {
                for: "Google"
              }
            }
          }
        }
      }
    }
  }
}

// jobOffer.next.year.i.will.be.a.developer.for



////////////////////////////////////////////////
// 15 -- The finals of the Olympic Prone Rifle Competition per Groups have finished.
//       Which team will get the Gold medal (the one with most points)?
////////////////////////////////////////////////

var teamGreen = {
  member1: 44,
  member2: 57
}
var teamBlue = {
  member1: 76,
  member2: 22
}
var teamRed = {
  member1: 67,
  member2: 29
}

// teamGreen with 101



////////////////////////////////////////////////
// 16 -- Create an object called 'library' that contains an array of 3 differnt
//       books. The data for the books is provided below:
////////////////////////////////////////////////

Don Quixote         -     Miguel de Cervantes
Hamlet              -     William Shakespeare
Romeo and Juliet    -     William Shakespeare

They are all available in the Library right now. So each book needs 3 properties:
author, title and availability. Use a boolean option for the last property.



////////////////////////////////////////////////
// 17 -- Extract 'Hamlet' and its availability in the Library
////////////////////////////////////////////////

var library = [
   {
     author: 'Miguel de Cervantes',
     title: 'Don Quixote',
     available: true
   },
   {
     author: 'William Shakespeare ',
     title: 'Hamlet',
     available: true
   },
   {
     author: 'William Shakespeare ',
     title:  'Romeo and Juliet',
     available: true
   }];

// library[1].title
// library[1].available



////////////////////////////////////////////////
// 18 -- The Library has temporary transfered Shakespeare's work to a private
//       event. According to the programming principle of DRY we don't want to
//       modify all his books manually every time a Collection is handed to an
//       event like this. How would you fix the missing property assuming that
//       where 'Hamlet' goes, the whole collection goes with?
//       (modify the Library data base directly)
////////////////////////////////////////////////

var library = [
  {
    author: 'Miguel de Cervantes',
    title: 'Don Quixote',
    available: true
  },
  {
    author: 'William Shakespeare ',
    title: 'Hamlet',
    available: false
  },
  {
    author: 'William Shakespeare ',
    title: 'Mcbeth',
    available: // ** code goes here **
  },
  {
    author: 'William Shakespeare ',
    title: 'Othello',
    available: // ** code goes here **
  }];

  // {
  //   author: 'William Shakespeare ',
  //   title: 'Mcbeth',
  //   available: library[1].available
  // },
  // {
  //   author: 'William Shakespeare ',
  //   title: 'Othello',
  //   available: library[1].available
  // }



////////////////////////////////////////////////
// 19 -- Create a new object using 'new Object' called myObj and with a propery
//       called 'prop'. Assign the value of your wish. The property has to be
//       declared when creating the object, in one line of code, don't use myObj.prop = "value";
////////////////////////////////////////////////

// var myObj = new Object({prop: "value"});



////////////////////////////////////////////////
// 20 -- Given the object from the previous exercise:
////////////////////////////////////////////////

var myObj = {
  prop: "value"
}

// How would you create, in one line and with the same methodology as the previous
// exercise an identical object without hard typing it? To check if you did it
// correctly this two statements have to return 'true':
// myObj == myObj2
// myObj === myObj2


// var myObj2 = new Object(myObj)