Highcharts build an empty pie chart and highcharts build

Highcharts build an empty pie chart and highcharts build
Highcharts

An empty pie chart is a pie chart that does not contain any node. In Highcharts, if the data column does not contain data, it is automatically blank. In this way, the viewer cannot determine the type of the current chart. The work und for creating an empty pie chart is to first prompt that there is no data in the chart, and then draw a circle to indicate that the chart type is a pie chart. The final result is as follows.

Empty pie chart
PS: This tutorial has been added to "Web chart Highcharts practice tutorial Chart" v1.2.2.

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