Adds tooltip content that shows the series name and the (time, value) of the selected point.
seriesname time, value
Registers the tooltip-content provider with the ChartContext so that when d3 fires a mouse-over
event on a series. The content provider is returns the addTooltipContent function
when called. And when called the addTooltipContent function adds the actual tooltip
content to the SVG element.
Adds tooltip content that shows the series name and the (time, value) of the selected point.
Registers the tooltip-content provider with the
ChartContextso that when d3 fires a mouse-over event on a series. The content provider is returns the addTooltipContent function when called. And when called the addTooltipContent function adds the actual tooltip content to the SVG element.