[GitHub] [incubator-echarts] 100pah opened a new issue #13680: tooltip performance issue

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

100pah opened a new issue #13680:
URL: https://github.com/apache/incubator-echarts/issues/13680


   ### Version
   5.0.0
   
   ### Steps to reproduce
   Tooltip performs kind of "lag" when mouse is moving on "both-value axis" cartesian.
   There might be some performance issue. Need further checking.
   
   For example:
   ```js
   var data = [];
   for (var i = 0; i < 1000; i  ) {
       data.push([i, Math.random()]);
   }
   var option = {
       xAxis: {},
       yAxis: {},
       tooltip: {
           trigger: 'axis'
       },
       series: {
           type: 'line',
           showSymbol: false,
           data: data
       }
   };
   ```
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   <!-- This issue is in English. DO NOT REMOVE -->


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