javascript - About the pointing display method of chart.js tooltips

Question

Current tooltips display status:

Status to be achieved:

There is a similar question on stackoverflow but no one responded. I searched the documents and issues but could not find the specific configuration method

Answer 1

Found a solution, configure tooltips alignment parameters

{
    xAlign: 'center'
    yAlign: 'bottom'
}

Answer 2

http://gallery.echartsjs.com/... I just wrote one that can modify configuration items