用于初始化图表的配置选项。
Highcharts.setOptions({
});
Highcharts.stockChart({
用于动态更新更新图表实例,详情 类参考。
Whether to connect a graph line across null points, or render a gap between the two points on either side of the null.
In stacked area chart, if connectNulls is set to true, null points are interpreted as 0.
connectNulls