listing-html-elements-and-constructors-in-spec.js

// run this code on this page:
// https://html.spec.whatwg.org/multipage/

[...document.querySelectorAll('#toc-semantics a')]
  .filter(tag => tag.querySelector('code'))
  .filter(({textContent}) => /The .+ element/.test(textContent))
  .map(({textContent}) => textContent = textContent.replace(/.+The (.+) element/, '$1'))
  .sort()
  .map(name => [document.createElement(name).constructor.name, name])

output.js

[
  [
    "HTMLAnchorElement",
    "a"
  ],
  [
    "HTMLElement",
    "abbr"
  ],
  [
    "HTMLElement",
    "address"
  ],
  [
    "HTMLAreaElement",
    "area"
  ],
  [
    "HTMLElement",
    "article"
  ],
  [
    "HTMLElement",
    "aside"
  ],
  [
    "HTMLAudioElement",
    "audio"
  ],
  [
    "HTMLElement",
    "b"
  ],
  [
    "HTMLBaseElement",
    "base"
  ],
  [
    "HTMLElement",
    "bdi"
  ],
  [
    "HTMLElement",
    "bdo"
  ],
  [
    "HTMLQuoteElement",
    "blockquote"
  ],
  [
    "HTMLBodyElement",
    "body"
  ],
  [
    "HTMLBRElement",
    "br"
  ],
  [
    "HTMLButtonElement",
    "button"
  ],
  [
    "HTMLCanvasElement",
    "canvas"
  ],
  [
    "HTMLTableCaptionElement",
    "caption"
  ],
  [
    "HTMLElement",
    "cite"
  ],
  [
    "HTMLElement",
    "code"
  ],
  [
    "HTMLTableColElement",
    "col"
  ],
  [
    "HTMLTableColElement",
    "colgroup"
  ],
  [
    "HTMLDataElement",
    "data"
  ],
  [
    "HTMLDataListElement",
    "datalist"
  ],
  [
    "HTMLElement",
    "dd"
  ],
  [
    "HTMLModElement",
    "del"
  ],
  [
    "HTMLDetailsElement",
    "details"
  ],
  [
    "HTMLElement",
    "dfn"
  ],
  [
    "HTMLDialogElement",
    "dialog"
  ],
  [
    "HTMLDivElement",
    "div"
  ],
  [
    "HTMLDListElement",
    "dl"
  ],
  [
    "HTMLElement",
    "dt"
  ],
  [
    "HTMLElement",
    "em"
  ],
  [
    "HTMLEmbedElement",
    "embed"
  ],
  [
    "HTMLFieldSetElement",
    "fieldset"
  ],
  [
    "HTMLElement",
    "figcaption"
  ],
  [
    "HTMLElement",
    "figure"
  ],
  [
    "HTMLElement",
    "footer"
  ],
  [
    "HTMLFormElement",
    "form"
  ],
  [
    "HTMLHeadElement",
    "head"
  ],
  [
    "HTMLElement",
    "header"
  ],
  [
    "HTMLElement",
    "hgroup"
  ],
  [
    "HTMLHRElement",
    "hr"
  ],
  [
    "HTMLHtmlElement",
    "html"
  ],
  [
    "HTMLElement",
    "i"
  ],
  [
    "HTMLImageElement",
    "img"
  ],
  [
    "HTMLModElement",
    "ins"
  ],
  [
    "HTMLElement",
    "kbd"
  ],
  [
    "HTMLLabelElement",
    "label"
  ],
  [
    "HTMLLegendElement",
    "legend"
  ],
  [
    "HTMLLIElement",
    "li"
  ],
  [
    "HTMLLinkElement",
    "link"
  ],
  [
    "HTMLElement",
    "main"
  ],
  [
    "HTMLMapElement",
    "map"
  ],
  [
    "HTMLElement",
    "mark"
  ],
  [
    "HTMLMenuElement",
    "menu"
  ],
  [
    "HTMLMetaElement",
    "meta"
  ],
  [
    "HTMLMeterElement",
    "meter"
  ],
  [
    "HTMLElement",
    "nav"
  ],
  [
    "HTMLElement",
    "noscript"
  ],
  [
    "HTMLObjectElement",
    "object"
  ],
  [
    "HTMLOListElement",
    "ol"
  ],
  [
    "HTMLOptGroupElement",
    "optgroup"
  ],
  [
    "HTMLOptionElement",
    "option"
  ],
  [
    "HTMLOutputElement",
    "output"
  ],
  [
    "HTMLParagraphElement",
    "p"
  ],
  [
    "HTMLParamElement",
    "param"
  ],
  [
    "HTMLPictureElement",
    "picture"
  ],
  [
    "HTMLPreElement",
    "pre"
  ],
  [
    "HTMLProgressElement",
    "progress"
  ],
  [
    "HTMLQuoteElement",
    "q"
  ],
  [
    "HTMLElement",
    "rp"
  ],
  [
    "HTMLElement",
    "rt"
  ],
  [
    "HTMLElement",
    "ruby"
  ],
  [
    "HTMLElement",
    "s"
  ],
  [
    "HTMLElement",
    "samp"
  ],
  [
    "HTMLScriptElement",
    "script"
  ],
  [
    "HTMLElement",
    "section"
  ],
  [
    "HTMLSelectElement",
    "select"
  ],
  [
    "HTMLSlotElement",
    "slot"
  ],
  [
    "HTMLElement",
    "small"
  ],
  [
    "HTMLSourceElement",
    "source"
  ],
  [
    "HTMLSpanElement",
    "span"
  ],
  [
    "HTMLElement",
    "strong"
  ],
  [
    "HTMLStyleElement",
    "style"
  ],
  [
    "HTMLElement",
    "summary"
  ],
  [
    "HTMLTableElement",
    "table"
  ],
  [
    "HTMLTableSectionElement",
    "tbody"
  ],
  [
    "HTMLTableCellElement",
    "td"
  ],
  [
    "HTMLTemplateElement",
    "template"
  ],
  [
    "HTMLTextAreaElement",
    "textarea"
  ],
  [
    "HTMLTableSectionElement",
    "tfoot"
  ],
  [
    "HTMLTableCellElement",
    "th"
  ],
  [
    "HTMLTableSectionElement",
    "thead"
  ],
  [
    "HTMLTimeElement",
    "time"
  ],
  [
    "HTMLTitleElement",
    "title"
  ],
  [
    "HTMLTableRowElement",
    "tr"
  ],
  [
    "HTMLTrackElement",
    "track"
  ],
  [
    "HTMLElement",
    "u"
  ],
  [
    "HTMLUListElement",
    "ul"
  ],
  [
    "HTMLElement",
    "var"
  ],
  [
    "HTMLVideoElement",
    "video"
  ],
  [
    "HTMLElement",
    "wbr"
  ]
]