It is an ordinary HTMLElement and an ordinary EventTarget — Tableau
events arrive as CustomEvents whose payload is in event.detail — which is
why the adapter needs no vendor event API at all. workbook is optional
because it is only guaranteed once the element has fired firstinteractive.
The live
<tableau-viz>custom element.It is an ordinary
HTMLElementand an ordinaryEventTarget— Tableau events arrive asCustomEvents whose payload is inevent.detail— which is why the adapter needs no vendor event API at all.workbookis optional because it is only guaranteed once the element has firedfirstinteractive.