The dash type of the highlighted legend item border.

The following dash types are supported:

• "dash" - a line consisting of dashes
• "dashDot" - a line consisting of a repeating pattern of dash-dot
• "dot" - a line consisting of dots
• "longDash" - a line consisting of a repeating pattern of long-dash
• "longDashDot" - a line consisting of a repeating pattern of long-dash-dot
• "longDashDotDot" - a line consisting of a repeating pattern of long-dash-dot-dot
• "solid" - a solid line

Example - set the legend item highlight markers border dash type

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  series: [{
    type: "line",
    name: "Series A",
    data: [1, 2, 3],
    legendItem: {
      highlight: {
        markers: {
          border: {
            color: "black",
            width: 2,
            dashType: "dash"
          }
        }
      }
    }
  }]
});
</script>