FF144 Relnote: JS Upsert Proposal

[hamishwillee]

FF144 adds support for the JS Upsert Proposal in https://bugzilla.mozilla.org/show_bug.cgi?id=1979917

This adds a release note that covers the new methods added to Map and WeakMap.,

Related docs work can be tracked in #41134

[github-actions]

Preview URLs

• /en-US/docs/Mozilla/Firefox/Releases/144

Flaws (6)

URL: /en-US/docs/Mozilla/Firefox/Releases/144
Title: Firefox 144 for developers
Flaw count: 6

• macros:
  • Can't resolve /en-US/docs/Web/JavaScript/Reference/Map.prototype.getOrInsert()
  • Can't resolve /en-US/docs/Web/JavaScript/Reference/Map.prototype.getOrInsertComputed()
  • Can't resolve /en-US/docs/Web/JavaScript/Reference/WeakMap.prototype.getOrInsert()
  • Can't resolve /en-US/docs/Web/JavaScript/Reference/WeakMap.prototype.getOrInsertComputed()
• unknown:
  • Error serializing baseline for numeric-seperators: missing field description``
  • Error serializing baseline for single-color-gradients: missing field description``

External URLs (1)

URL: /en-US/docs/Mozilla/Firefox/Releases/144
Title: Firefox 144 for developers

• https://bugzil.la/1979917 (1 time) (Note! This may be a new URL 👀)

[hamishwillee]

@pepelsbey Can you please look at this.

[pepelsbey]

Looks good! Thank you :)