jQuery Charts & Graphs with Crosshair

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Crosshairs, also known as Chart Cursor, are interactive vertical / horizontal lines that moves along the mouse pointer along with label that shows x & y values at the current mouse co-ordinates or the nearest data points. The given example shows Chart with Crosshair along with source code that you can edit in-browser or save to run locally.

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Try Editing The Code

window.onload = function () {

var options = {
	animationEnabled: true,
	title:{
		text: "Stock Price of BMW - September"
	},
	axisX:{
		valueFormatString: "DD MMM",
		crosshair: {
			enabled: true,
			snapToDataPoint: true
		}
	},
	axisY: {
		title: "Closing Price (in USD)",
		valueFormatString: "$##0.00",
		crosshair: {
			enabled: true,
			snapToDataPoint: true,
			labelFormatter: function(e) {
				return "$" + CanvasJS.formatNumber(e.value, "##0.00");
			}
		}
	},
	data: [{
		type: "area",
		xValueFormatString: "DD MMM",
		yValueFormatString: "$##0.00",
		dataPoints: [
			{ x: new Date(2017, 08, 01), y: 85.83 },

			{ x: new Date(2017, 08, 04), y: 84.42 },
			{ x: new Date(2017, 08, 05), y: 84.97 },
			{ x: new Date(2017, 08, 06), y: 84.89 },
			{ x: new Date(2017, 08, 07), y: 84.78 },
			{ x: new Date(2017, 08, 08), y: 85.09 },
			{ x: new Date(2017, 08, 09), y: 85.14 },

			{ x: new Date(2017, 08, 11), y: 84.46 },
			{ x: new Date(2017, 08, 12), y: 84.71 },
			{ x: new Date(2017, 08, 13), y: 84.62 },
			{ x: new Date(2017, 08, 14), y: 84.83 },
			{ x: new Date(2017, 08, 15), y: 84.37 },
			
			{ x: new Date(2017, 08, 18), y: 84.07 },
			{ x: new Date(2017, 08, 19), y: 83.60 },
			{ x: new Date(2017, 08, 20), y: 82.85 },
			{ x: new Date(2017, 08, 21), y: 82.52 },
			
			{ x: new Date(2017, 08, 25), y: 82.65 },
			{ x: new Date(2017, 08, 26), y: 81.76 },
			{ x: new Date(2017, 08, 27), y: 80.50 },
			{ x: new Date(2017, 08, 28), y: 79.13 },
			{ x: new Date(2017, 08, 29), y: 79.00 }
		]
	}]
};

$("#chartContainer").CanvasJSChart(options);

}

Related Customization

You can make the crosshair snap to the nearest dataPoint by setting snapToDataPoint property to true. Also thickness and lineDashType of crosshair can be customized.

Note   For step by step instructions, follow our jQuery Integration Tutorial