Class: Data

Requires

• module:modules/data

Members

dateFormats :Highcharts.Dictionary.<Highcharts.DataDateFormatObject>

A collection of available date formats, extendable from the outside to support custom date formats.

Type:

• Highcharts.Dictionary.<Highcharts.DataDateFormatObject>

Methods

fetchLiveData()

Fetch or refetch live data

Returns:

boolean .

The URLs that were tried can be found in the options

getData()

Get the parsed data in a form that we can apply directly to the series.data config. Array positions can be mapped using the series.keys option.

Returns:

Array.<Array.<DataValueType>> | undefined .

Data rows

Example

const data = Highcharts.data({
  csv: document.getElementById('data').innerHTML
}).getData();

getDataTable()

Return a DataTable with the parsed data

Since:

• 13.0.0

Returns:

Highcharts.DataTable .

DataTable with the parsed data

Example

const csv = await fetch(
  'https://www.example.com/sample-data.csv'
).then(result => result.text());
const dataTable = new Highcharts.Data({ csv }).getDataTable();

Try it

• View live demo.

parseCSV()

Parse a CSV input string

parseColumn(column, col)

Parse a single column. Set properties like .isDatetime and .isNumeric.

Parameters:

Name	Type	Description
column	Array.<Highcharts.DataValueType>	Column to parse
col	number	Column index

parseDate()

Parse a date and return it as a number. Overridable through options.parseDate.

parseGoogleSpreadsheet()

Parse a Google spreadsheet.

Returns:

boolean .

Always returns false, because it is an intermediate fetch.

parseTable()

Parse a HTML table

parseTypes()

Parse numeric cells in to number types and date types in to true dates.

parsed()

A hook for working directly on the parsed columns

trim(str [, inside])

Trim a string from whitespaces.

Parameters:

Name	Type	Argument	Default	Description
str	string			String to trim
inside	boolean	<optional>	false	Remove all spaces between numbers.

Returns:

string .

Trimmed string

update(options [, redraw])

Updates the chart with new data options.

Parameters:

Name	Type	Argument	Default	Description
options	Highcharts.DataOptions			The new data options.
redraw	boolean	<optional>	true	Whether to redraw the chart after the new options are set.

<static> rowsToColumns()

Reorganize rows into columns.