blockly > WorkspaceSvg > highlightBlock
WorkspaceSvg.highlightBlock() method
Highlight or unhighlight a block in the workspace. Block highlighting is often used to visually mark blocks currently being executed.
Signature:
highlightBlock(id: string | null, opt_state?: boolean): void;
Parameters
Parameter | Type | Description |
|---|---|---|
id | string | null | ID of block to highlight/unhighlight, or null for no block (used to unhighlight all blocks). |
opt_state | boolean | (Optional) If undefined, highlight specified block and automatically unhighlight all others. If true or false, manually highlight/unhighlight the specified block. |
Returns:
void