Function deleteByIds

deleteByIds(layerId, featureIds): Promise<JId[]>
JMap.Application.Feature.deleteByIds

Deletes features (on the server), refreshes the layer on the map and displays a success or error message when done.
Parameters
- layerId: JId
  the JMap layer id
- featureIds: JId[]
  an array of features ids
Returns Promise<JId[]>
Example
```
// delete 2 features on layer id=4
JMap.Application.Feature.deleteByIds(4, [23, 76]).then(result => console.log("Delete result", result))
```