var = new CanvasJS.Chart("", { fitInfo: { canvasComponentType: "Line", canvasFld1: "", canvasFld2: "" }, animationEnabled: true, exportEnabled: true, theme: "light2", title:{ text: "", }, data: [{ type: "line", toolTipContent: " {indexLabel} : {y} ", indexLabelFontSize: 16, dataPoints: [ ] }] }); .render(); enableCanvasFitOptions();