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blockly > BlockNavigationPolicy > getFirstChild
BlockNavigationPolicy.getFirstChild() method
Returns the first child of the given block.
Signature:
getFirstChild(current: BlockSvg): IFocusableNode | null;
Parameters
| Parameter |
Type |
Description |
| current |
BlockSvg |
The block to return the first child of. |
Returns:
IFocusableNode | null
The first field or input of the given block, if any.
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Last updated 2025-05-16 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-05-16 UTC."],[],[],null,["[blockly](./blockly.md) \\\u003e [BlockNavigationPolicy](./blockly.blocknavigationpolicy_class.md) \\\u003e [getFirstChild](./blockly.blocknavigationpolicy_class.getfirstchild_1_method.md)\n\nBlockNavigationPolicy.getFirstChild() method\n--------------------------------------------\n\nReturns the first child of the given block.\n\n**Signature:** \n\n getFirstChild(current: BlockSvg): IFocusableNode | null;\n\nParameters\n----------\n\n| Parameter | Type | Description |\n|-----------|-----------------------------------------|-----------------------------------------|\n| current | [BlockSvg](./blockly.blocksvg_class.md) | The block to return the first child of. |\n\n**Returns:**\n\n[IFocusableNode](./blockly.ifocusablenode_interface.md) \\| null\n\nThe first field or input of the given block, if any."]]
