Adapt api.Document.onreadystatechange to new events structure

[queengooborg]

This PR adapts the readystatechange event of the Document API to conform to the new events structure.

BCD PR: mdn/browser-compat-data#15085

[github-actions]

Preview URLs

• https://pr13207.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Document/readystatechange_event
• https://pr13207.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Document

Flaws

Note! 1 document with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/API/Document
Title: Document
on GitHub
Flaw count: 42

• macros:
  • wrong xref macro used (consider changing which macro you use)
  • /en-US/docs/Web/API/HTMLAllCollection does not exist
  • /en-US/docs/Web/API/Document/xmlStandalone does not exist
  • /en-US/docs/Web/API/Document/captureEvents does not exist
  • /en-US/docs/Web/API/Document/createAttributeNS does not exist
  • and 13 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

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/readystatechange_event
Title: Document: readystatechange event
on GitHub

No new external URLs