2024-05-08 js九九乘法表

  var box = document.createElement("div");
  document.body.appendChild(box);

  for (let i = 0; i < 9; i++) {
    var p = document.createElement("p");
    box.appendChild(p);

    for (let j = 1; j <= i; j++) {
      var span = document.createElement("span");
      span.style.block = "inline-block";
      span.style.marginRight = "6px";
      span.textContent = j + "x" + i + "=" + i * j;
      p.appendChild(span);
    }
  }

 或

  function getTable() {
    let table = "<table border='1'>";

    for (let i = 1; i <= 9; i++) {
      table += "<tr>";
      for (let j = 1; j <= i; j++) {
        table += `<td>${j} * ${i} = ${i * j}</td>`;
      }
      table += "</tr>";
    }

    table += "</table>";
    return table;
  }
  document.body.innerHTML = getTable();