海图日期不起作用

let rawData;
let dataArray = [];
const labels = {"1": "2 axle car", "2": "2 axle truck", "3": "3 axle truck",
    "4": "4 axle+ truck", "5": "2 axle bus", "6": "3 axle bus", "2P": "park patrol"};

$(document).ready(function(){
    d3.csv("/csv/data.csv", function(error, d){
        if (error) throw error;
        rawData=d;


        piechart(pieChartHelper());
        timeLine(timeLineHelper());
    });
});


function piechart(pieData){
    Highcharts.chart('container', {
        chart: {
            plotBackgroundColor: null,
            plotBorderWidth: null,
            plotShadow: false,
            type: 'pie'
        },
        title: {
            text: 'Vehicle Types'
        },
        tooltip: {
            pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
        },
        plotOptions: {
            pie: {
                allowPointSelect: true,
                cursor: 'pointer',
                dataLabels: {
                    enabled: true,
                    format: '<b>{point.name}</b>: {point.percentage:.1f} %',
                    style: {
                        color: (Highcharts.theme && Highcharts.theme.contrastTextColor) || 'black'
                    }
                }
            }
        },
        series: [{
            name: "Results",
            colorByPoint: true,
            data:pieData
        }]
    });
}

function pieChartHelper() {
    let pieData;
    let pieData2 = [];

    for (let i = 0; i < rawData.length; i++) {

        dataArray.push({
            name: labels[rawData[i]["car-type"]],
            y: rawData[i]["car-type"]!=="2P" ? Number(rawData[i]["car-type"]) : '8'
        });
    }

    pieData = d3.nest()
        .key(function(d){return d.name;})
        .rollup(function(d){
            return Math.round(d3.sum(d, function(g){return g.y;}));
        }).entries(dataArray);

    for (let i = 0; i < pieData.length; i++) {
        pieData2.push({
            name: pieData[i].key,
            y: pieData[i].values
        })
    }
    return pieData2;
}

function toTimestamp(strDate){
    let A = _.toInteger(strDate.slice(0,4));
    let M = _.toInteger(strDate.slice(5,7))-1;
    let D = _.toInteger(strDate.slice(8,10));
    let H = _.toInteger(strDate.slice(11,13));
    let m = _.toInteger(strDate.slice(14,16));
    let s = _.toInteger(strDate.slice(17,19));

    return Date.UTC(A,M,D,H,m,s);

}

function timeLine(data){

    Highcharts.chart('container2', {
        chart: {
            zoomType: 'x'
        },
        tooltip: {
            formatter: function() {
                var date = new Date(this.x);
                var year = date.getFullYear();
                return year + '<br/>' + '<span style="color:'+this.series.color+'">'+ this.series.name +'</span>: '+ this.y;
            },
        },
        title: {
            text: 'USD to EUR exchange rate over time'
        },
        subtitle: {
            text: document.ontouchstart === undefined ?
                'Click and drag in the plot area to zoom in' : 'Pinch the chart to zoom in'
        },
        xAxis: {
            type: 'datetime',
            dateTimeLabelFormats:{
                millisecond: '%H:%M:%S.%L',
                second: '%H:%M:%S',
                minute: '%H:%M',
                hour: '%H:%M',
                day: '%e. %b',
                week: '%e. %b',
                month: '%b \'%y',
                year: '%Y'
            }
        },
        yAxis: {
            title: {
                text: 'Exchange rate'
            }
        },
        legend: {
            enabled: false
        },
        plotOptions: {
            area: {
                fillColor: {
                    linearGradient: {
                        x1: 0,
                        y1: 0,
                        x2: 0,
                        y2: 1
                    },
                    stops: [
                        [0, Highcharts.getOptions().colors[0]],
                        [1, Highcharts.Color(Highcharts.getOptions().colors[0]).setOpacity(0).get('rgba')]
                    ]
                },
                marker: {
                    radius: 2
                },
                lineWidth: 1,
                states: {
                    hover: {
                        lineWidth: 1
                    }
                },
                threshold: null
            }
        },

        series: data
    });
}

function timeLineHelper(){
    let timeArray = [];
    let timeArray2 = [];
    console.log(rawData[0]["Timestamp"]);
    console.log(toTimestamp(rawData[0]["Timestamp"]));
    for (let i = 0; i < rawData.length; i++) {

        timeArray.push({
            name: labels[rawData[i]["car-type"]],
            data: {
                key: rawData[i]["Timestamp"].slice(0,10),
                value: 1
            }
        });
    }
    console.log("time array: "+ timeArray[0].data.key );

    timeArray = d3.nest()
        .key(function(d) { return d.name; })
        .key(function(d) { return d.data.key; })
        .rollup(function(v) { return d3.sum(v, function(d) { return (d.data.value); }); })
        .entries(timeArray);

    for (let i = 0; i < timeArray.length; i++) {
        timeArray2.push({
            type: 'column',
            name: timeArray[i].key,
            data: [
                _.toString(toTimestamp(rawData[i]["Timestamp"])),
                timeArray[i].values[0].values]
        });
    }
    console.log(timeArray2);
    return timeArray2;

}

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<html lang="en">
<head>
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