main.js

//------------------- Assignment 1 -------------------

function assign_1() {
  let myNumbers = [1, 2, 3, 4, 5];

  let [a, , , , e] = myNumbers;

  console.log(a * e); // 5
}
assign_1();
console.log("");

//------------------- Assignment 2 -------------------

function assign_2() {
  let mySkills = [
    "HTML",
    "CSS",
    "JavaScript",
    ["PHP", "Python", ["Django", "Laravel"]],
  ];

  let [a, b, c, [d, e, [f, g]]] = mySkills;

  console.log(`My Skills: ${a}, ${b}, ${c}, ${d}, ${e}, ${f}, ${g}`);
  // My Skills: HTML, CSS, JavaScript, PHP, Python, Django, Laravel
}
assign_2();
console.log("");

//------------------- Assignment 3 -------------------

// Solution 1
function assign_3_Method_1() {
  let arr1 = ["Ahmed", "Sameh", "Sayed"];
  let arr2 = ["Mohamed", "Gamal", "Amir"];
  let arr3 = ["Haytham", "Shady", "Mahmoud"];

  let [[c, ,], [, ,], [, a, b]] = [arr1, arr2, arr3];

  console.log(`My Best Friends: ${a}, ${b}, ${c}`);
  // My Best Friends: Shady, Mahmoud, Ahmed
}
assign_3_Method_1();

// Solution 2
function assign_3_Method_2() {
  let arr1 = ["Ahmed", "Sameh", "Sayed"];
  let arr2 = ["Mohamed", "Gamal", "Amir"];
  let arr3 = ["Haytham", "Shady", "Mahmoud"];

  let myFriends = arr1.concat(arr2, arr3);

  let [c, , , , , , , a, b] = myFriends;

  console.log(`My Best Friends: ${a}, ${b}, ${c}`);
  // My Best Friends: Shady, Mahmoud, Ahmed
}
assign_3_Method_2();
console.log("");

//------------------- Assignment 4 -------------------

function assign_4() {
  const member = {
    age: 30,
    working: false,
    country: "Egypt",
    hobbies: ["Reading", "Swimming", "Programming"],
  };

  const {
    age: a,
    working: w,
    country: c,
    hobbies: [h1, , h3],
  } = member;

  console.log(`My Age Is ${a} And Iam ${w ? "" : "Not"} Working`);
  // My Age Is 30 And Iam Not Working

  console.log(`I Live in ${c}`);
  // I Live in Egypt

  console.log(`My Hobbies: ${h1} And ${h3}`);
  // My Hobbies: Reading And Programming
}
assign_4();
console.log("");

//------------------- Assignment 5 -------------------

function assign_5() {
  const game = {
    title: "YS",
    developer: "Falcom",
    releases: {
      "Oath In Felghana": ["USA", "Japan"],
      "Ark Of Napishtim": {
        US: "20 USD",
        JAP: "10 USD",
      },
      Origin: "30 USD",
    },
  };

  const {
    title: t,
    developer: d,
    releases: {
      ["Oath In Felghana"]: [u, j],
      ["Ark Of Napishtim"]: { US: u_price, JAP: j_price },
      Origin: or,
    },
  } = game;

  const [o, a] = Object.keys(game.releases);

  console.log(`My Favourite Games Style Is ${t} Style`);
  // My Favourite Games Style Is YS Style

  console.log(`And I Love ${d} Games`);
  // And I Love Falcom Games

  console.log(`My Best Release Is ${o} It Released in ${u} & ${j}`);
  // My Best Release Is Oath In Felghana It Released in USA & Japan

  console.log(`Although I Love ${a}`);
  // Although I Love Ark Of Napishtim

  console.log(`${a} Price in USA Is ${u_price}`);
  // Ark Of Napishtim Price in USA Is 20 USD

  console.log(`${a} Price in Japan Is ${j_price}`);
  // Ark Of Napishtim Price in Japan Is 10 USD

  console.log(`Origin Price Is ${or}`);
  // Origin Price Is 30 USD
}
assign_5();
console.log("");

//------------------- Assignment 6 -------------------

function assign_6() {
  let chosen = 1;

  let myFriends = [
    { title: "Osama", age: 39, available: true, skills: ["HTML", "CSS"] },
    { title: "Ahmed", age: 25, available: false, skills: ["Python", "Django"] },
    { title: "Sayed", age: 33, available: true, skills: ["PHP", "Laravel"] },
  ];

  // Write Your Code Here
  if (chosen === 1) {
    let [
      {
        title: t,
        age: ag,
        available: av,
        skills: [, lastSkill],
      },
      {},
      {},
    ] = myFriends;
    show(t, ag, av, lastSkill);
  }
  if (chosen === 2) {
    let [
      {},
      {
        title: t,
        age: ag,
        available: av,
        skills: [, lastSkill],
      },
      {},
    ] = myFriends;
    show(t, ag, av, lastSkill);
  }
  if (chosen === 3) {
    let [
      {},
      {},
      {
        title: t,
        age: ag,
        available: av,
        skills: [, lastSkill],
      },
    ] = myFriends;
    show(t, ag, av, lastSkill);
  }
  function show(t, ag, av, lastSkill) {
    console.log(t);
    console.log(ag);
    console.log(`${av ? "" : "Not "}Available`);
    console.log(lastSkill);
  }
}
assign_6();