// app.activeDocument.artboards[0].name = "���� 1" // name: �������Q

for (var i = 0; i < app.activeDocument.artboards.length; i++) {
    var rect = app.activeDocument.artboards[i].artboardRect // [0,0,200, -200]
    var width = rect[2] - rect[0]
    var height = rect[3] - rect[1]
    app.activeDocument.artboards[i].name = "��: " + Math.abs(width) + "px, ��: " + Math.abs(height) + "px"
}