How to create an HTML5 donut chart

Situation:

You want to create a donut chart (a pie chart with empty space inside). HTML5 charts do not have donut chart suggested as a type of chart. It it possible to do that.

Solution:

You can do it by setting plotOptions.pie.innerSize to desired value. Can be a percentage or pixel value. Percentages are relative to the pie size. Pixel values are given as integers.