<div id="diagram"></div>
<script>
$("#diagram").kendoDiagram({
    shapes: [{
        id: "1",
        content: { text: "Purple Hover Stroke" },
        x: 100,
        y: 20,
        connectors: [{
            name: "auto",
            hover: {
                stroke: {
                    color: "#9933cc"
                }
            }
        }]
    }]
});
</script>