removeBetween(startIndex, endIndex, destroy, silent)
Removes all children from this group whose index falls beteen the given startIndex and endIndex values.
Parameters
Name Type Argument Default Description startIndex integer The index to start removing children from. endIndex integer <optional> The index to stop removing children at. Must be higher than startIndex. If undefined this method will remove all children between startIndex and the end of the group. destroy boolea