Function deleteByType

deleteByType(annotationType): void
JMap.Application.Annotation.deleteByType

Deletes the annotations for the given type.

Does nothing if no annotation exist for the type.
Parameters
- annotationType: JAPP_DRAW_TYPES
  the annotation type : "point", "polygon", "line_string", "rectangle", "circle", or "text"
Returns void
Throws
if the annotation type is not correct

Example
```
// Delete all text annotations if exist
JMap.Application.Annotation.deleteByType("text")
```