I'm using highcharts, which uses a data series to plot the chart similar to this:
series:
[{
data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
}]
I know that I can use a Json file to feed the dataset so, how can I get its highest value?