maketable.js

/*
自分を返す関数＋クロージャ
*/

function maketable() {
  var retstr = "<table><tr>";
  return function(s, f) {
    if (!s) return retstr;
    retstr += "<td>" + s + "</td>";
    if (f) {
      retstr += "</tr><tr>";
    }
    return arguments.callee;
  }
}

document.getElementById("test").innerHTML = maketable()
  ("あ行")("あ")("い")("う")("え")("お",1)
  ("か行")("か")("き")("く")("け")("こ",2)()