[GitHub] [incubator-echarts] leaon4 commented on issue #11493: 树图用setOption更新数据时，发现图有残留BUG

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

leaon4 commented on issue #11493: 树图用setOption更新数据时，发现图有残留BUG
URL: https://github.com/apache/incubator-echarts/issues/11493#issuecomment-578503538
 
 
   您好，那我详细讲一个方法吧。
   1.进入echarts官网，选择树图的最后一个实例
   2.在示例代码中插入window.myChart=myChart以便控制台可以直接引用
   3.将以下代码复制进控制台中
   var testData = [
       { "name": "3", "children": [] },
       { "name": "3", "children": [{ "name": "2", "children": [] }, { "name": "" }] },
       { "name": "2", "children": [{ "name": "1", "children": [] }, { "name": "3", "children": [] }] },
       { "name": "2", "children": [{ "name": "1", "children": [] }, { "name": "3", "children": [{ "name": "" }, { "name": "4", "children": [] }] }] },
   ];
   testData.forEach((data, index) => {
       setTimeout(() => {
           option.series[0].data = [data];
           myChart.setOption(option);
       }, (index + 1) * 1000);
   });

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