sort.js

document.addEventListener("click", function (b) {
  function n(a, e) {
    a.className = a.className.replace(u, "") + e;
  }
  function p(a) {
    return a.getAttribute("data-sort") || a.innerText;
  }
  var u = / dir-(u|d) /,
    c = /\bsortable\b/;
  b = b.target;
  if ("TH" === b.nodeName)
    try {
      var q = b.parentNode,
        f = q.parentNode.parentNode;
      if (c.test(f.className)) {
        var g,
          d = q.cells;
        for (c = 0; c < d.length; c++) d[c] === b ? (g = c) : n(d[c], "");
        d = " dir-d ";
        -1 !== b.className.indexOf(" dir-d ") && (d = " dir-u ");
        n(b, d);
        var h = f.tBodies[0],
          k = [].slice.call(h.rows, 0),
          r = " dir-u " === d;
        k.sort(function (a, e) {
          var l = p((r ? a : e).cells[g]),
            m = p((r ? e : a).cells[g]);
          return isNaN(l - m) ? l.localeCompare(m) : l - m;
        });
        for (var t = h.cloneNode(); k.length; )
          t.appendChild(k.splice(0, 1)[0]);
        f.replaceChild(t, h);
      }
    } catch (a) {}
});