blockly > CommentBarButtonNavigationPolicy > getFirstChild
CommentBarButtonNavigationPolicy.getFirstChild() method
Returns the first child of the given CommentBarButton.
Signature:
getFirstChild(_current: CommentBarButton): IFocusableNode | null;
Parameters
Parameter | Type | Description |
|---|---|---|
_current | The CommentBarButton to return the first child of. |
Returns:
IFocusableNode | null
Null.