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The border options.

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  valueAxis: {
    crosshair: {
      tooltip: {
        border: {
          color: "black",
          width: 2
        },
        visible: true
      },
      visible: true
    }
  },
  series: [
    { type: "line", data: [1, 2, 3] }
  ]
});
</script>

The color of the border. Accepts a valid CSS color string, including hex and rgb.

Default: "black"

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  valueAxis: {
    crosshair: {
      tooltip: {
        border: {
          color: "black",
          width: 2
        },
        visible: true
      },
      visible: true
    }
  },
  series: [
    { type: "line", data: [1, 2, 3] }
  ]
});
</script>

This option is ignored and deprecated.

Default: "solid"

<div id="chart"></div>
<script>
$("#chart").kendoChart({
    valueAxis: {
        crosshair: {
            tooltip: {
                visible: true,
                border: {
                    dashType: "dash"
                }
            }
        }
    },
    series: [
        { type: "line", data: [1, 2, 3] }
    ]
});
</script>

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

Default: 0

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  valueAxis: {
    crosshair: {
      tooltip: {
        border: {
          width: 2
        },
        visible: true
      },
      visible: true
    }
  },
  series: [
    { type: "line", data: [1, 2, 3] }
  ]
});
</script>