I have a chart drawn using Highcharts API, which has two series and multiple levels of data shown using DrillDown feature of the API. When i tend to modify the default Axis label format using formatting property and by setting useHTML 'true', the labels are displayed with underline even in the last level which is not the expected behaviour.
xAxis: {
type: 'category',
labels: {
rotation: -45,
formatter: function (e) {
return '<div class="chartXAxisLabel" title="' + this.value + '" ><span>' + this.value + '</span></div>';
},
useHTML: true
},
title: {
enabled: true,
align: 'high'
}
},
The issue could be seen in the below fiddle link.