text: let mainNode = document.getElementById("main")
  let rowsNode = document.getElementById("rows")
  let columnsNode = document.getElementById("columns")
  let buttonNode = document.getElementById("buttonGen")
  
  buttonNode.addEventListener("click", function() {
      let tableNode = document.createElement("table")
      mainNode.append(tableNode);
      let tbodyNode = document.createElement("tbody")
      tableNode.append(tbodyNode)
  
      for (let i = 0; i < rowsNode.value; i++) {
          let trNode = document.createElement("tr")
          tbodyNode.append(trNode)
          for (let j = 0; j < columnsNode.value; j++) {
              let tdNode = document.createElement("td")
              trNode.append(tdNode)
          }
      }
      return tableNode
  });