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Sets the configuration of the legend items of type area. By default, all series except line and scatter use this legend type.

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  series: [{
    type: "area",
    name: "Series A",
    data: [1, 2, 3]
  }, {
    type: "area",
    name: "Series B",
    data: [4, 5, 6]
  }],
  seriesDefaults: {
    legendItem: {
      area: {
        opacity: 0.1
      }
    }
  }
});
</script>

The background color of the legend item. Accepts a valid CSS color string, including HEX and RGB. Defaults to the series color.

<div id="chart"></div>
<script>
$("#chart").kendoChart({
    series: [{
        type: "area",
        name: "Series A",
        data: [1, 2, 3]
    }],
    seriesDefaults: {
        legendItem: {
            area: {
                background: "#ff6800"
            }
        }
    }
});
</script>

The opacity of the legend item. Defaults to the series opacity.

<div id="chart"></div>
<script>
$("#chart").kendoChart({
    series: [{
        type: "area",
        name: "Series A",
        data: [1, 2, 3]
    }],
    seriesDefaults: {
        legendItem: {
            area: {
                opacity: 0.5
            }
        }
    }
});
</script>