Total Summaries

To display total summaries, populate the summary.totalItems array with configuration objects. Each object should specify a column that supplies data for summary calculation and a summaryType—an aggregate function that should be applied to this data.

This demo illustrates the following total summaries:

• Total number of orders
  This summary uses the "count" summaryType.

• Date of the first order
  This summary uses the "min" summaryType and the customizeText function that formats the displayed summary value.

• Total revenue
  This summary uses the "sum" summaryType and the valueFormat property to format the summary value as currency.