1. DomName('HTMLFormControlsCollection.item')
  2. DocsEditable()
  3. Experimental()
Node item(int index)

Source 

@DomName('HTMLFormControlsCollection.item')
@DocsEditable()
@Experimental() // untriaged
Node item(int index) => _blink.BlinkHTMLFormControlsCollection.instance.item_Callback_1_(this, index);