series.for String

The name of the parent series of the trendline.

The for option is supported when series.type is set to "linearTrendline", "exponentialTrendline", "logarithmicTrendline", "powerTrendline", "polynomialTrendline" or "movingAverageTrendline".

Example - set the trendline parent series for field

  <div id="chart"></div>
<script>
$("#chart").kendoChart({
  dataSource: {
    data: [
      {
          period: "2021 Q1",
          count: 669590.0
      },
      {
          period: "2021 Q2",
          count: 793564.0
      },
      {
          period: "2021 Q3",
          count: 941133.0
      },
      {
          period: "2021 Q4",
          count: 1133020.0
      },
    ]
  },
  series: [{
    name: "Sales By Quarter",
    type: "line",
    field: "count",
    categoryField: "period"
  }, {
    name: "Sales Trend (LINEAR)",
    type: "linearTrendline",
    for: "Sales By Quarter"
  }]
});
</script>