score:3
you can't have a null x value in highcharts.
if you have no y data for the point, specify your data as (ie) [date.utc(1990, 9, 27), null]
a null x and null y gives you nothing meaningful, as you don't know when the null value (ie, the problem) occurred.
score:0
you can also combine this lines:
chart.addseries({
name: 'usd to eur'
});
chart.series[0].setdata(data);
into
chart.addseries({
name: 'usd to eur',
data:data,
pointstart: date.utc(1990, 9, 27)
});
you can use pointstart, but will be better to get rid of null values.
score:1
why not filter out null/null pairs? if the data has no meaningful use why allow it to be sent to the chart?
Source: stackoverflow.com
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