Content script clarifications

[rebloor]

Summary

Clarifications of content script behavior in Manifest V2 and V3

Metadata

This PR…

• Adds a new document
• Rewrites (or significantly expands) a document
• Fixes a typo, bug, or other error

[github-actions]

Preview URLs

• https://pr16579.content.dev.mdn.mozit.cloud/en-US/docs/Mozilla/Add-ons/WebExtensions/Content_scripts
• https://pr16579.content.dev.mdn.mozit.cloud/en-US/docs/Mozilla/Firefox/Releases/101

Flaws

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

URL: /en-US/docs/Mozilla/Firefox/Releases/101
Title: Firefox 101 for developers
on GitHub
Flaw count: 4

• broken_links:
  • Can't resolve https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/action
  • Can't resolve https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_action
  • Can't resolve https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/background
  • Can't resolve https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/host_permissions

External URLs

URL: /en-US/docs/Mozilla/Add-ons/WebExtensions/Content_scripts
Title: Content scripts
on GitHub

• https://www.chromium.org/Home/chromium-security/extension-content-script-fetches (1 time) (Note! This may be a new URL 👀)

---

URL: /en-US/docs/Mozilla/Firefox/Releases/101
Title: Firefox 101 for developers
on GitHub

No new external URLs

(this comment was updated 2022-05-24 22:29:50.232310)

[Rob--W]

This change is tied to MV3, not a Firefox version.

[rebloor]

Updated

[Rob--W]

Thanks as usual Richard!