getElementsAtEvent always returns an element with _datasetIndex: 0
https://jsfiddle.net/j3xy8ozg/
Clicking on any of the chart elements (even those in the second dataset) will print out a ChartElement with _datasetIndex: 0
getElementsAtEvent always returns an element with _datasetIndex: 0
https://jsfiddle.net/j3xy8ozg/
Clicking on any of the chart elements (even those in the second dataset) will print out a ChartElement with _datasetIndex: 0
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Oh I found out how to do it. Use getDatasetAtEvent() along with getElementsAtEvent()
getElements gives you all the bars at the x value, while getdataset gives you all the elements that have the same dataset as the one being clicked.
Using them together produces this result.. https://jsfiddle.net/w6oxwwte/
The underlying cause of this behaviour is that
getElementsAtEvent
was designed for use with the label tooltip mode.getElementAtEvent
will get the first found element and is used for the single mode tooltip.