<div id="surface"></div>
<script>
var draw = kendo.drawing;
var surface = draw.Surface.create($("#surface"));
var gradientStop = new draw.GradientStop({
offset: 0.7,
color: "#336699",
opacity: 0.9
});
var options = gradientStop.options;
console.log(options.offset);
console.log(options.color);
console.log(options.opacity);
console.log(typeof options);
</script>