Subscribes to one of the instance's events.
Unsubscribes a handler on added.
The option the chart was last drawn from, every default resolved.
The chart's width in CSS pixels.
The chart's height in CSS pixels.
The element passed to echarts.init.
Optionalget
An ECharts instance that can be kept bound.
on,off,getOption,getWidth,getHeightandgetDomare public ECharts API, and all of them are present on an instance fromechartsand fromecharts/corealike.