/mdn2/en-US/docs/Web/API/ElementInternalsElementInternals
ariaAtomic ariaAutoComplete ariaBusy ariaChecked ariaColCount ariaColIndex ariaColIndexText ariaColSpan ariaCurrent ariaDescription ariaDisabled ariaExpanded ariaHasPopup ariaHidden ariaKeyShortcuts ariaLabel ariaLevel ariaLive ariaModal ariaMultiLine ariaMultiSelectable ariaOrientation ariaPlaceholder ariaPosInSet ariaPressed ariaReadOnly ariaRelevant ariaRequired ariaRoleDescription ariaRowCount ariaRowIndex ariaRowIndexText ariaRowSpan ariaSelected ariaSetSize ariaSort ariaValueMax ariaValueMin ariaValueNow ariaValueText checkValidity form labels reportValidity role setFormValue setValidity shadowRoot states validationMessage validity willValidate