content - Sets Content for Tool Tip - 0 | JSFiddle Sample Code

content - Sets Content for Tool Tip - 0 | JSFiddle Sample Code

by Ragu Nathan

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>

<div id="chartContainer" style="height: 300px; width: 100%;"></div>
<div style="margin-top:16px;color:dimgrey;font-size:9px;font-family: Verdana, Arial, Helvetica, sans-serif;text-decoration:none;">Source: <a href="https://canvasjs.com/docs/charts/chart-options/tooltip/content/" target="_blank" title="content - Sets Content for Tool Tip ">https://canvasjs.com/docs/charts/chart-options/tooltip/content/</a></div>

JavaScript

window.onload = function () {
	var chart = new CanvasJS.Chart("chartContainer",
	{
		title:{
			text: "Using Keywords inside content string"
		},
		toolTip:{  
          	shared: true,
			content: "{name}: {y}"   ,
          	contentFormatter: (e) => {
              if (e.entries[0].dataSeries.name === "Visits") {
                return null;
              }
              return e.entries[0].dataSeries.name + " - " +  e.entries[0].dataPoint.y;  
            }
		},
		axisX:{
			gridColor: "Silver",
			valueFormatString: "DD/MMM"
		},
		axisY2: {
			includeZero: false,
          	toolTipContent: null,
		},
		data: [
		{        
			type: "line",
			showInLegend: true,
			name: "Visits",
			dataPoints: [
				{ x: new Date(2010,0,3), y: 650 },
				{ x: new Date(2010,0,4), y: 700 },
				{ x: new Date(2010,0,5), y: 710 },
				{ x: new Date(2010,0,6), y: 658 },
				{ x: new Date(2010,0,7), y: 734 },
				{ x: new Date(2010,0,8), y: 963 },
				{ x: new Date(2010,0,9), y: 847 },
				{ x: new Date(2010,0,10), y: 853 },
				{ x: new Date(2010,0,11), y: 869 },
				{ x: new Date(2010,0,12), y: 943 },
				{ x: new Date(2010,0,29), y: 970 }
			]
		},
		{        
			type: "line",
			showInLegend: true,
			name: "Unique Visits",
          	axisYType: "secondary",
			dataPoints: [
				{ x: new Date(2010,0,3), y: 510 },
				{ x: new Date(2010,0,4), y: 560 },
				{ x: new Date(2010,0,5), y: 540 },
				{ x: new Date(2010,0,6), y: 558 },
				{ x: new Date(2010,0,7), y: 544 },
				{ x: new Date(2010,0,10), y: 693 },
				{ x: new Date(2010,0,11), y: 657 },
				{ x: new Date(2010,0,12), y: 663 },
				{ x: new Date(2010,0,19), y: 639 },
				{ x: new Date(2010,0,21), y: 673 },
				{ x: new Date(2010,0,29), y: 660 }
			]
		}
		]         
	});
	chart.render();
}