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Highlighting series in line chart

Hi team,i am working on line chart.Requirement is highlighting line series based on hover .in highchart,this function is already there->https://jsfiddle.net/gh/get/library/pure/highcharts/highcharts/tree/master/samples/highcharts/plotoptions/series-selected/

i need to use plotly…js.

Please help me out

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Here’s a little something to help you get started: https://codepen.io/etpinard/pen/WBGzPz?editors=0010

Hi everyone!

I need the same functionality for a line chart in python (with intended usage in dash).

I have a line chart with many traces. I would like all of them to be light grey and only the hovered-on line to be bright and bold. Is it possible to do that? @etienne can you give a hint how to achieve such a thing in python instead of plotly.js?

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