Chart.js Line Chart Y Axis Comma Sign

chartjs.scale.tooltip.yaxis-comma.js

options: {
            responsive: true,
            maintainAspectRatio: false,
            scales: {
                yAxes: [{
                    scaleLabel: {
                        display: true,
                        labelString: '垂直軸的資料名稱'
                    },
                    ticks: {
                        beginAtZero: false,
                        callback: function (value, index, values) {
                            return value.toLocaleString();
                        }
                    }
                }]
            },
            tooltips: {
                mode: 'label',
                label: 'mylabel',
                callbacks: {
                    label: function (tooltipItem, data) {
                        return tooltipItem.yLabel.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
                    }
                }
            }
        }