# MapContext wx.createMapContext(string mapId, Object this)
with Promise style call: Not supported
Mini Program plugin: Support, need to Mini Program base library version no less than 1.9.6
create map context MapContext Object. Recommended use wx.createSelectorQuery Obtain context Object.
# parameter
# string mapId
map Component id
# Object this
Under a custom component, the this of the current component instance to manipulate within the component map assembly