larrykkk edited a comment on issue #5833: How to display "No Data" message on 
echart
URL: 
https://github.com/apache/incubator-echarts/issues/5833#issuecomment-534840669
 
 
   use the data.length to control Echart option 
   
   ```
   title: {
       show: answerCountArr.length === 0,
       textStyle: {
           color: "grey",
           fontSize: 20
       },
       text: "No data",
       left: "center",
       top: "center"
   },
   xAxis: {
       show: answerCountArr.length,
       //...
   },
   yAxis: {
       show: answerCountArr.length,
       //...
   },
   ```
   if data.length is false then chart will only show "No data"

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