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hi everyone,
i have tried to put default year in the dropdwon but couldnot able to do show using chagne function. here is my code: $( “.dropdown” ).change(function() { chart.options.data[0].dataPoints = []; var e = document.getElementById(“dd”); var selectedYear = e.options[e.selectedIndex].value; if( !isNaN(Number(selectedYear)) ) { chart.options.title.text = “Year: ” + selectedYear; chart.options.title.verticalAlign = “top”; var data = { “year” : selectedYear } $.getJSON(“getData.php”, data, function(result){ chart.options.data[0].dataPoints2019 = result; chart.render(); }) } else {
chart.options.title.text = “Select Year From Dropdown”; chart.options.title.verticalAlign = “center”;
} chart.render()
});