Function containerReady

containerReady(listenerId, fn): void
JMap.Event.Map.on.containerReady

This event is triggered when the map container is ready to use.

Triggered just before the first time the map is created, when JMap Server NG Core check if the map container exist or not (and create it if needed).
Parameters
- listenerId: string
  Your listener id (must be unique for all map events)
- fn: ((params) => void)
  Your listener function
  - - (params): void
    - Parameters
      params: JMapEventContainerReadyParams
      Returns void
Returns void
Example
```
// When the map container is ready, will display a message in the console
JMap.Event.Map.on.containerReady(
   "custom-map-container-ready",
   params => console.log("Map container ready", params)
)
```