sample: create unicode table via String.fromCharCode

HTML

<table></table>

JavaScript

{
  const table = document.querySelector("table");
  for (let i = 0; i < 100; i++) {
    const tr = table.insertRow(-1);
    for (let j = 0; j < 16; j++) {
      const td = tr.insertCell(-1);
      td.innerHTML = String.fromCharCode(i * 16 + j);
    }
  }
}