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