Same here
window.onload = function() { var chart = new CanvasJS.Chart("chartContainer", { animationEnabled: true, axisX: { title: "", valueFormatString: "DD MMM" }, axisY: { includeZero:false, title: "Copas", ValueFormatString: "#####", }, data: [{ type: "splineArea", color: "rgba(54,158,173,.7)", xValueFormatString: "DD MMM", yValueFormatString: "#####", dataPoints: [ { x: new Date(2020, 01, 30), y: 13020},{ x: new Date(2020, 01, 31), y: 13083}, ] }] }); chart.render(); }