Function makeHeaderLink

scripts/table_addSortTable.js:35–40

(tableNo, colNo, ord)

      }

      function makeHeaderLink(tableNo, colNo, ord) {
        let button = document.createElement("button");
        button.onclick = () => sortTable(tableNo, colNo, ord);
        button.innerText = ord > 0 ? "a" : "d";
        return button;
      }

      function makeHeader(tableNo, nCols) {
        var header, headerCell, i;