用于初始化图表的配置选项。
Highcharts.setOptions({
});
Highcharts.mapChart({
用于动态更新更新图表实例,详情 类参考。
A format string to use instead of the default for point descriptions.
The context of the format string is the point instance.
As opposed to accessibility.point.valueDescriptionFormat, this option replaces the whole description.