Highcharts Highchart上下文菜单按钮随页面刷新而递增

我在一个网页上有一个以上的图表。但是，当我刷新页面时，我会在附加的highcharts中添加另一个上下文菜单按钮。在重新创建之前，我尝试过破坏highchart以修复此问题，但没有成功。有没有办法阻止上下文菜单按钮随着页面刷新而递增

    // Submits form values and ...
$('#dateform').submit(function (event) {

    var data = $(this).serialize();

    var monthSelect = $("#month option:selected").text();
    var yearSelect = $("#year option:selected").text();
    $("#reportDate").text(monthSelect + " " + yearSelect);



    //-------------------------------------------------------------------------------

    // Procedures - Bar

    $.getJSON('reports_procedure_count_bar_ajax.cshtml', data, function (chartData) {


        // Build the chart
        $('#container1').highcharts({
            chart: {
                plotBackgroundColor: null,
                plotBorderWidth: null,
                plotShadow: false
            },
            title: {
                text: 'Browser market shares at a specific website, 2014'
            },
            tooltip: {
                pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
            },
            plotOptions: {
                pie: {
                    allowPointSelect: true,
                    cursor: 'pointer',
                    dataLabels: {
                        enabled: false
                    },
                    showInLegend: true
                }
            },
            series: [{
                type: 'pie',
                name: 'Browser share',
                data: [
                    ['Firefox', 45.0],
                    ['IE', 26.8],
                    {
                        name: 'Chrome',
                        y: 12.8,
                        sliced: true,
                        selected: true
                    },
                    ['Safari', 8.5],
                    ['Opera', 6.2],
                    ['Others', 0.7]
                ]
            }]
        });


    });

    $.getJSON('reports_procedure_count_bar_ajax.cshtml', data, function (chartData) {

        // Build the chart
        $('#container2').highcharts({
            chart: {
                plotBackgroundColor: null,
                plotBorderWidth: null,
                plotShadow: false
            },
            title: {
                text: 'Browser market shares at a specific website, 2014'
            },
            tooltip: {
                pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
            },
            plotOptions: {
                pie: {
                    allowPointSelect: true,
                    cursor: 'pointer',
                    dataLabels: {
                        enabled: false
                    },
                    showInLegend: true
                }
            },
            series: [{
                type: 'pie',
                name: 'Browser share',
                data: [
                    ['Firefox', 45.0],
                    ['IE', 26.8],
                    {
                        name: 'Chrome',
                        y: 12.8,
                        sliced: true,
                        selected: true
                    },
                    ['Safari', 8.5],
                    ['Opera', 6.2],
                    ['Others', 0.7]
                ]
            }]
        });


    });


    return false;
});

---

我无法用您发布的代码重现问题。请参阅。感谢jeroen的测试…看起来问题可能是highcharts_exporting.js。看起来它被重新加载，这导致了问题。是的，可能每次加载新的exporting.js文件时都会加载。仅在highcharts.js文件之后加载一次。