Adobe Illustrator script to sort artboards alphabetically

illustrator_sort_artboards.jsx

var doc = app.activeDocument;
var artboards = doc.artboards;
var artboard_count = artboards.length; // save the artboard count
var artboard_names = []; // array to hold artboards names

for (i = 0; i < artboard_count; i++) {
  artboard_names.push(artboards[i].name);
}

artboard_names.sort();

for (j = 0; j < artboard_count; j++) {
  var aname = artboard_names[j];
  var rect = artboards.getByName(aname).artboardRect;
  var newAB = artboards.add(rect); // duplicate AB, which one? go by the sorted array
  newAB.name = artboard_names[j]; // rename artboard
}

// delete original set of artboards
for (k = artboard_count - 1; k >= 0; k--) {
  artboards.remove(k);
}