[GitHub] ramarro123 opened a new issue #9188: tooltip formatter when using axis trigger

[GitBox <gi...@apache.org>]

ramarro123 opened a new issue #9188: tooltip formatter when using axis trigger
URL: https://github.com/apache/incubator-echarts/issues/9188
 
 
   hello,
   
   if i use a 
    chart.tooltip = {
             trigger: 'axis'
           };
   
   and
   
      chart.tooltip.formatter = function (params) {}
   
   how can i detect what's the current item on params array?
   params array have all the data from chart, so if i have 100 data, i have 100 items.
   
   i am using a dataset+line with custom renderer here, and i need to have custom formatter as well.
   
   let me know if i can detect the current index position (or the current X val from cursor, whatever better suit)
   

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