subtitle.border.width Number (default: 0)

The width of the border in pixels. By default the border width is set to zero which means that the border will not appear.

Example - set the chart subtitle border width

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  title: {
    text: "Title"
  },
  subtitle: {
    text: "Subtitle",
    border: {
      width: 2
    }
  },
  series: [
    { data: [1, 2, 3] }
  ]
});
</script>
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