Parse xml file generated from RRDTool export and create Highchart series

createhighchartfromxml.js

$.ajax({
    type: "GET",
    url: "data/temperature24h.xml",
    dataType: "xml",
    success: function(xml) {
        var series = []

        //define series
        $(xml).find("entry").each(function() {
            var seriesOptions = {
                name: $(this).text(),
                data: []
            };
            options.series.push(seriesOptions);
        });

        //populate with data
        $(xml).find("row").each(function() {
            var t = parseInt($(this).find("t").text()) * 1000

            $(this).find("v").each(function(index) {
                var v = parseFloat($(this).text())
                v = v || null
                if (v != null) {
                    options.series[index].data.push([t, v])
                };
            });
        });

        options.title.text = "Temperatures of the last 24h"
        $.each(series, function(index) {
            options.series.push(series[index]);
        });
        chart = new Highcharts.Chart(options);
    }
})