เส้นเมาส์โอเวอร์บนหลายแผนภูมิเมื่อโฮเวอร์บนแผนภูมิเดียวโดยใช้ D3

                            $(window).load(function () {
                                                   var textareas$ = $('#chartarea g');
                                                        textareas$.hide();
                        
                        $('input[name="Air"]').change(function () {
                                                    var elem$ = $(this);
                                                    var correspelem$ = textareas$.eq(elem$.val() - 1);
                                                        
                                                        if (elem$.val() == 1) {
                                                                                select('Retail', "#Retail");
                                                                } else if (elem$.val() == 2) {
                                                                                select("Gas", "#Gas");
                                                                } else if (elem$.val() == 3) {
                                                                                select("Dining", "#Dining");
                                                                } else {};
                                                                if (elem$.is(':checked')) correspelem$.show();
                                                                else correspelem$.hide();

                                                               var lastSelectedChartIndex;
                var chartAxis = document.querySelectorAll('#chartarea  .axis.x');
                
                var selectedCharts = document.querySelectorAll('#options input').forEach((elem, index) => {
                if (elem.checked) {
                	lastSelectedChartIndex = index;
                }
                });
                
                //console.log(lastSelectedChartIndex)
                
                chartAxis
                	.forEach((elem, index) => (index !== chartAxis.length - 1) && !(index == lastSelectedChartIndex) ? elem.style.display = 'none' : elem.style.display = 'block')

                                                        });
                                                });