@Black3rror,
1) Please take a look at this jsfiddle to set shadow in line chart.
Maybe it can be done by mouseover and mouseout functions but it seems to be a better solution. if not i’ll be glad if you put some code to change color(something like e.dataSeries.dataPoint.color=”red”; ?!!!)
Thanks for your suggestion. We’ll reconsider it for our future releases.
3) toolTip can be hidden on click of dataPoint by disabling it on click and enabling on mouseover. Please take a look at this jsfiddle.
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Priyanka M S
Team CanvasJS