关于 Echarts 导致 JS event listeners不断叠加的问题?

Question

关于 Echarts 导致 JS event listeners不断叠加的问题?

发布于
2021-12-29

直接上代码,每隔 1000ms 去调用了渲染图表的函数 initChart
然后看到 Chrome Devtools JS event listeners不断增加又定时清空

<!--
 * @Version: 2.0
 * @Date: 2021-10-13 09:20:10
 * @LastEditTime: 2021-12-29 22:20:21
-->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>flex</title>
  </head>
  <body>
    <div id="main" style="width:500px;height:500px"></div>
  </body>
  <script src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/dist/echarts.min.js"></script>
  <script>
    var chartDom = document.getElementById('main');
    var myChart = null;
    function initChart() {
      myChart?.dispose();
      myChart = null;
      myChart = echarts.init(chartDom);
      var option;
      option = {
        xAxis: {
          type: 'category',
          data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
        },
        yAxis: {
          type: 'value',
        },
        series: [
          {
            data: [150, 230, 224, 218, 135, 147, 260],
            type: 'line',
          },
        ],
      };
      option && myChart.setOption(option);
    }
    setInterval(function() {
      initChart();
    }, 1000);
  </script>
</html>