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blockly > INavigationPolicy > getFirstChild
INavigationPolicy.getFirstChild() method
Returns the first child element of the given element, if any.
Signature:
getFirstChild(current: T): IFocusableNode | null;
Parameters
| Parameter |
Type |
Description |
| current |
T |
The element which the user is navigating into. |
Returns:
IFocusableNode | null
The current element's first child, or null if it has none.
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Last updated 2025-05-16 UTC.
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