[GitHub] [echarts] komagic opened a new issue, #16831: [Bug] echarts line chart 如果数据量超过2000个（如4000），动画播放不能正常运行，而是直接，打开devTool后才能正常播放

[GitBox]

komagic opened a new issue, #16831:
URL: https://github.com/apache/echarts/issues/16831

   ### Version
   
   5.3.2
   
   ### Link to Minimal Reproduction
   
   _No response_
   
   ### Steps to Reproduce
   
   var dom = document.getElementById("container");
   var myChart = echarts.init(dom);
   var app = {};
   
   var option;
   
   
   
   let base = +new Date(1968, 9, 3);
   let oneDay = 24 * 3600 * 1000;
   let date = [];
   let data = [Math.random() * 300];
   for (let i = 1; i < 40000; i++) {
     var now = new Date((base += oneDay));
     date.push([i].join('/'));
     data.push(Math.round((Math.random() - 0.5) * 20 + data[i - 1]));
   }
   option = {
     animationDuration:30000,
     tooltip: {
       trigger: 'axis',
       position: function (pt) {
         return [pt[0], '10%'];
       }
     },
     title: {
       left: 'center',
       text: 'line Chart (400w data)'
     },
     toolbox: {
       feature: {
         dataZoom: {
           yAxisIndex: 'none'
         },
         restore: {},
         saveAsImage: {}
       }
     },
     xAxis: {
       type: 'category',
       boundaryGap: false,
       data: date
     },
     yAxis: {
       type: 'value',
       boundaryGap: [0, '100%']
     },
     dataZoom: [
       {
         type: 'inside',
         start: 0,
         end: 1
       },
       {
         start: 0,
         end: 1000
       }
     ],
     series: [
       {
         name: 'Fake Data',
         type: 'line',
         symbol: 'none',
         sampling: 'lttb',
         itemStyle: {
           color: 'rgb(255, 70, 131)'
         },
      
         data: data
       }
     ]
   };
   
   if (option && typeof option === 'object') {
       myChart.setOption(option);
   }
   
   ### Current Behavior
   
   echarts line chart 
如果数据量超过2000个（如4000），animtionDuration设置后，动画播放不能正常运行，而是直接显示所有数据
   打开devTool后才能正常播放，400w个也行
   
   ### Expected Behavior
   
   echarts line chart 如果数据量超过2000个（如4000），animtionDuration设置后，动画播放能正常运行
   
   ### Environment
   
   ```markdown
   - OS:
   - Browser:
   - Framework:
   ```
   
   
   ### Any additional comments?
   
   _No response_


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