blockly > INavigationPolicy > getPreviousSibling
INavigationPolicy.getPreviousSibling() method
Returns the peer element preceding the given element, if any.
Signature:
getPreviousSibling(current: T): IFocusableNode | null;
Parameters
Parameter | Type | Description |
|---|---|---|
current | T | The element which the user is navigating past. |
Returns:
IFocusableNode | null
The previous peer element of the current element, or null if there is none.