Furn

function solve() {
  let bts = Array.from(document.querySelectorAll("button"));
  bts.forEach(b => b.addEventListener("click", clicked));

  let boughtField = document.querySelectorAll("textarea")[1];

  function clicked(ev) {
    if (ev.target.textContent == "Generate") {
      let inputField = document.querySelectorAll("textarea")[0];
      let parsed = JSON.parse(inputField.value);

      parsed.forEach(pr => {
        let { name, img, price, decFactor } = pr;
        let htmlStr = `<tr>
                         <td><img src="${img}"></td>
                         <td><p>${name}</p></td>
                         <td><p>${price}</p></td>
                         <td><p>${decFactor}</p></td>
                        <td><input type="checkbox" /></td>
                     </tr>`

        document.querySelector("tbody").innerHTML += htmlStr;
      });
     inputField.value = "";

    }
     if (ev.target.textContent == "Buy") {
      let boxes = document.querySelectorAll('input[type=checkbox]');

      let boughtProdName = [];
      let boughtProdPrice = [];
      let boughtProdFact = [];
      boxes.forEach(ch => {
      //  console.log(ch.checked)
        if (ch.checked === true) {
          let rowChecked = ch.parentNode.parentNode;
          let data = rowChecked.querySelectorAll("p");
          boughtProdName.push(data[0].textContent);
          boughtProdPrice.push(Number(data[1].textContent));
          boughtProdFact.push(Number(data[2].textContent));
        }
      });
      let avg = boughtProdFact.reduce((a, b) => a + b,0) / boughtProdFact.length;
      let tot = boughtProdPrice.reduce((a, b) => a += b);
      let res = `Bought furniture: ${boughtProdName.join(", ")}\n`;
      res += `Total price: ${tot.toFixed(2)}\n`;
      res += `Average decoration factor: ${avg}`;
      boughtField.textContent = res;

    }
  }
}