seriesDefaults.line Object

The line chart series options. Accepts all values supported by the series option.

Example - set the line chart default options

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  seriesDefaults: {
    line: {
      color: "red",
      opacity: 0.1
    }
  },
  series: [{
    type: "line",
    data: [1, 2]
  }]
});
</script>