Define the Tooltip

The following code shows how to use the Hint object to create a tooltip that displays the label, the x values, and the y values:

hint: {
                content: function () {
                    return this.data.lineSeries.label + '\n' +
                        this.x + '\n' + this.y + '';
                },
                contentStyle: {
                    "font-size": "10pt"
                },
                offsetY: -10
            },

This topic illustrates the following:

The following image shows the tooltip that appears when you hover over each data series point:

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