<div id="surface"></div>
<script>
  var draw = kendo.drawing;
  var geom = kendo.geometry;

  var gradient = new draw.LinearGradient({
    start: [0, 0],
    end: [1, 0],
    stops: [
      { offset: 0, color: "#ff0000" },
      { offset: 1, color: "#0000ff" }
    ]
  });

  gradient.addStop(0.5, "#ffff00", 0.8);
  var newStop = gradient.stops[2];
  console.log("Added stop at offset:", newStop.options.offset);

  var rect = new geom.Rect([10, 10], [200, 80]);
  var path = draw.Path.fromRect(rect, {
    fill: gradient,
    stroke: null
  });

  var surface = draw.Surface.create($("#surface"));
  surface.draw(path);
</script>