Adapt Document fullscreen events to new structure

[queengooborg]

This PR updates the fullscreenchange and fullscreenerror events of the Document API to conform to the new style.

BCD PR: mdn/browser-compat-data#14939

[github-actions]

Preview URLs

• https://pr12926.content.dev.mdn.mozit.cloud/en-US/docs/Mozilla/Firefox/Releases/49
• https://pr12926.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Document/fullscreenchange_event
• https://pr12926.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Document/fullscreenerror_event
• https://pr12926.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Document
• https://pr12926.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fullscreen_API/Guide
• https://pr12926.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fullscreen_API

Flaws

Note! 3 documents with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Mozilla/Firefox/Releases/49
Title: Firefox 49 for developers
on GitHub
Flaw count: 7

• macros:
  • /en-US/docs/Web/CSS/align does not exist
  • /en-US/docs/Web/API/ChildNode/before redirects to /en-US/docs/Web/API/Element/before
  • /en-US/docs/Web/API/ChildNode/after redirects to /en-US/docs/Web/API/Element/after
  • /en-US/docs/Web/API/ChildNode/replaceWith redirects to /en-US/docs/Web/API/Element/replaceWith
  • /en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/EventListenerOptions does not exist
• broken_links:
  • Can't resolve /en-US/docs/Archive/Firefox_OS/API/Data_Store_API
  • Can't resolve /en-US/docs/Mozilla/Projects/Necko/Proxy_Auto-Configuration_(PAC)_file

---

URL: /en-US/docs/Web/API/Document
Title: Document
on GitHub
Flaw count: 50

• macros:
  • wrong xref macro used (consider changing which macro you use)
  • /en-US/docs/Web/API/Document/afterscriptexecute_event does not exist
  • /en-US/docs/Web/API/Document/beforescriptexecute_event does not exist
  • /en-US/docs/Web/API/Document/oncopy does not exist
  • /en-US/docs/Web/API/Document/oncut does not exist
  • and 21 more flaws omitted
• broken_links:
  • Can't resolve /en-US/docs/Web/API/Document_Object_Model/Using_the_W3C_DOM_Level_1_Core
  • Can't resolve /en-US/docs/XUL_Overlays
• bad_bcd_links:
  • no explanation!
  • no explanation!
  • no explanation!
  • no explanation!
  • no explanation!
  • and 17 more flaws omitted

---

URL: /en-US/docs/Web/API/Fullscreen_API
Title: Fullscreen API
on GitHub
Flaw count: 1

• broken_links:
  • Link points to the page it's already on

External URLs

URL: /en-US/docs/Mozilla/Firefox/Releases/49
Title: Firefox 49 for developers
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/Document
Title: Document
on GitHub

• Don't set document.currentScript for <script type="module"> whatwg/html#997 (1 time)
• https://msdn.microsoft.com/library/ms533752%28v=VS.85%29.aspx (1 time)

---

URL: /en-US/docs/Web/API/Document/fullscreenchange_event
Title: Document: fullscreenchange event
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/Document/fullscreenerror_event
Title: Document: fullscreenerror event
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/Fullscreen_API
Title: Fullscreen API
on GitHub

• https://fullscreen.spec.whatwg.org/ (1 time)
• https://github.com/rafrex/fscreen (1 time)
• https://mdn.github.io/dom-examples/fullscreen-api/index.html (1 time)

---

URL: /en-US/docs/Web/API/Fullscreen_API/Guide
Title: Guide to the Fullscreen API
on GitHub

• https://fullscreen.spec.whatwg.org/ (1 time)
• https://github.com/rafrex/fscreen (1 time)
• https://media.prod.mdn.mozit.cloud/samples/domref/fullscreen.html (1 time)

[Elchi3]

The template for how to arrange content on _event pages is here: https://developer.mozilla.org/en-US/docs/MDN/Structures/Page_types/API_event_subpage_template. New structure includes a syntax section, "Event type" and "Event properties" (if the Event type isn't a generic Event).