mt.js

function makeTable(tab) {
  const table = document.createElement('table');
  table.style = 'border: none; border-collapse: collapse;';
  const tbody = document.createElement('tbody');
  Object.keys(tab[0])
    .forEach((key) => {
      const tr = document.createElement('tr');
      const td1 = document.createElement('td');
      const td2 = document.createElement('td');
      td1.style = 'border-left: none; padding: 10px;';
      td2.style = 'border-left: 1px solid #000; padding: 10px;';
      td1.textContent = key;
      td2.textContent = tab[0][key];
      tr.appendChild(td1);
      tr.appendChild(td2);
      tbody.appendChild(tr);
    });
  table.appendChild(tbody);
  return table;
}