PDFViewer.off()
Unsubscribe from an event, with the same handler reference.
methodEventssince 1.0.0
Signature
off<K extends keyof ViewerEventMap>(event: K, handler: (data: ViewerEventMap[K]) => void): void
Parameters
| Parameter | Type | Description |
|---|---|---|
| event | keyof ViewerEventMap | The event name. |
| handler | (data: ViewerEventMap[K]) => void | The same handler reference that was passed to on(). |
Returns
void
Example
TypeScript
const onPage = (data: ViewerEventMap['pageChanged']) => setCurrentPage(data.pageIndex); viewer.on('pageChanged', onPage); viewer.off('pageChanged', onPage);