app.js

const menu = [
  {
    id: 1,
    title: "Tteokbokki",
    category: "Korea",
    price: 10.99,
    img:
      "https://twoplaidaprons.com/wp-content/uploads/2020/09/tteokbokki-top-down-view-of-tteokbokki-in-a-bowl-500x500.jpg",
    desc: `Spicy rice cakes, serving with fish cake.`,
  },
  {
    id: 2,
    title: "Chicken Ramen",
    category: "Japan",
    price: 7.99,
    img:
      "https://www.forkknifeswoon.com/wp-content/uploads/2014/10/simple-homemade-chicken-ramen-fork-knife-swoon-01.jpg",
    desc: `Chicken noodle soup, serving with vegetables such as soy bean, green onion. In an optional you can ask for egg. `,
  },
  {
    id: 3,
    title: "Bibimbap",
    category: "Korea",
    price: 8.99,
    img:
      "https://dwellbymichelle.com/wp-content/uploads/2020/05/DWELL-bibimbap.jpg",
    desc: `Boiling vegetables, serving with special hot sauce`,
  },
  {
    id: 4,
    title: "Dan Dan Mian",
    category: "China",
    price: 5.99,
    img:
      "https://www.savingdessert.com/wp-content/uploads/2019/02/Dan-Dan-Noodles-10.jpg",
    desc: `Dan dan noodle, serving with green onion `,
  },
  {
    id: 5,
    title: "Yangzhou Fried Rice",
    category: "China",
    price: 12.99,
    img:
      "https://salu-salo.com/wp-content/uploads/2013/02/Yangzhou-Fried-Rice1.jpg",
    desc: `Yangzhou style fried rice, serving with bean and pickles `,
  },
  {
    id: 6,
    title: "Onigiri",
    category: "Japan",
    price: 9.99,
    img:
      "https://www.manusmenu.com/wp-content/uploads/2017/08/Onigiri-3-1-of-1.jpg",
    desc: `Rice Sandwich, serving with soy sauce`,
  },
  {
    id: 7,
    title: "Jajangmyeon",
    category: "Korea",
    price: 15.99,
    img:
      "https://www.curiouscuisiniere.com/wp-content/uploads/2020/04/Jajangmyeon-Korean-Noodles-in-Black-Bean-Sauce5.1200H-720x540.jpg",
    desc: `Black bean sauce noodle, serving with green onion `,
  },
  {
    id: 8,
    title: "Ma Yi Shang Shu",
    category: "China",
    price: 12.99,
    img:
      "https://assets.tmecosys.com/image/upload/t_web767x639/img/recipe/ras/Assets/F688C2F6-86EC-46C4-B9C7-A6BA01DF7437/Derivates/32E3E72A-F786-406D-AF7F-B30980A9AC6C.jpg",
    desc: `Hot pepper sauce noodle, serving with soy bean and onion`,
  },
  {
    id: 9,
    title: "Doroyaki",
    category: "Japan",
    price: 3.99,
    img:
      "https://www.justonecookbook.com/wp-content/uploads/2011/10/Dorayaki-New-500x400.jpg",
    desc: `Red bean paste dessert, serving with honey.`,
  },
];

let categories = ["ALL","Korea","Japan","China"];
let buttons=document.getElementsByClassName("btn-container")[0];
let section = document.getElementsByClassName("section-center")[0];


categories.forEach(category => {
  buttons.appendChild(createButton(category));
})

function createButton(buttonName){
  let btn = document.createElement("button");
  btn.setAttribute("class","btn btn-outline-dark btn-item");
  btn.innerHTML = buttonName;
  btn.onclick = function(){
    section.innerHTML = "";
    for (let item of menu){
      if (buttonName === categories[0]){
     
      createMenu(item);
      }
      else if (buttonName === categories[1]){
        if (item.category === categories[1]){
         
          createMenu(item);
        }
      }
      else if (buttonName === categories[2]){
        if (item.category === categories[2]){
          createMenu(item);
        }
      }
      else if (buttonName === categories[3]){
        if (item.category === categories[3]){
          createMenu(item);
        }
      }
      else {
        createMenu(item);
      }
     
    }
  }
  return btn;
}

for (let item of menu){
  createMenu(item);
}

function createMenu(item){
  section.innerHTML+= `
  <div class="menu-items col-lg-6 col-sm-12">
  <img src="${item.img}" alt="${item.title}" class="photo">
  <div class="menu-info">
    <div class="menu-title">
      <h4>${item.title}</h4>
      <h4 class="price">€${item.price}</h4>
    </div>
    <div class="menu-text">
      ${item.desc}
    </div>
  </div>
</div> 
  `
}