Viewer Events

Primary event API

Use addEventListener and removeEventListener on ViewerInstance.

function onZoom(zoom) {
  console.log('zoom', zoom);
}

instance.addEventListener('viewState.zoom.change', onZoom);
instance.removeEventListener('viewState.zoom.change', onZoom);

Common event names

• document.load
• annotations.create
• annotations.update
• annotationSelection.change
• search.stateChange
• textSelection.change
• viewState.change
• viewState.currentPageIndex.change
• viewState.zoom.change

Compatibility event API

Compatibility mode events are exposed through on and off:

• statusChange
• documentLoaded
• pageChange
• searchChange
• selectionChange
• annotationsChange
• annotationSelectionChange
• annotationModeChange

Related pages

• Events
• Viewer Event Reference
• Compatibility Events