Add info about when fetch promise is resolved exactly

[lebedev]

What was wrong/why is this fix needed? (quick summary only)

There're no details when a promise returned from fetch is resolved exactly or this info is obscure and unclear.

MDN URL of main page changed

https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API
https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch

[github-actions]

Preview URLs

• https://pr4194.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fetch_API
• https://pr4194.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fetch_API/Using_Fetch

Flaws

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

No flaws! 🎉

---

URL: /en-US/docs/Web/API/Fetch_API/Using_Fetch
Title: Using Fetch
on GitHub

No flaws! 🎉

External URLs

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

• https://fetch.spec.whatwg.org/ (1 time)
• https://github.com/github/fetch (1 time)
• Make fetch() use "same-origin" credentials by default whatwg/fetch#585 (1 time)

---

URL: /en-US/docs/Web/API/Fetch_API/Using_Fetch
Title: Using Fetch
on GitHub

• https://fetch.spec.whatwg.org/ (2 times)
• https://github.com/github/fetch (2 times)
• Make fetch() use "same-origin" credentials by default whatwg/fetch#585 (1 time)

[github-actions]

Preview URLs

• https://pr4194.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fetch_API
• https://pr4194.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fetch_API/Using_Fetch

Flaws

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

No flaws! 🎉

---

URL: /en-US/docs/Web/API/Fetch_API/Using_Fetch
Title: Using Fetch
on GitHub

No flaws! 🎉

External URLs

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

• https://fetch.spec.whatwg.org/ (1 time)
• https://github.com/github/fetch (1 time)
• Make fetch() use "same-origin" credentials by default whatwg/fetch#585 (1 time)

---

URL: /en-US/docs/Web/API/Fetch_API/Using_Fetch
Title: Using Fetch
on GitHub

• https://fetch.spec.whatwg.org/ (2 times)
• https://github.com/github/fetch (2 times)
• Make fetch() use "same-origin" credentials by default whatwg/fetch#585 (1 time)

[github-actions]

Preview URLs

• https://pr4194.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fetch_API
• https://pr4194.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fetch_API/Using_Fetch

Flaws

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

No flaws! 🎉

---

URL: /en-US/docs/Web/API/Fetch_API/Using_Fetch
Title: Using Fetch
on GitHub

No flaws! 🎉

External URLs

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

• https://fetch.spec.whatwg.org/ (1 time)
• https://github.com/github/fetch (1 time)
• Make fetch() use "same-origin" credentials by default whatwg/fetch#585 (1 time)

---

URL: /en-US/docs/Web/API/Fetch_API/Using_Fetch
Title: Using Fetch
on GitHub

• https://fetch.spec.whatwg.org/ (2 times)
• https://github.com/github/fetch (2 times)
• Make fetch() use "same-origin" credentials by default whatwg/fetch#585 (1 time)

[github-actions]

Preview URLs

• https://pr4194.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fetch_API
• https://pr4194.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Fetch_API/Using_Fetch

Flaws

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

No flaws! 🎉

---

URL: /en-US/docs/Web/API/Fetch_API/Using_Fetch
Title: Using Fetch
on GitHub

No flaws! 🎉

External URLs

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

• https://fetch.spec.whatwg.org/ (1 time)
• https://github.com/github/fetch (1 time)
• Make fetch() use "same-origin" credentials by default whatwg/fetch#585 (1 time)

---

URL: /en-US/docs/Web/API/Fetch_API/Using_Fetch
Title: Using Fetch
on GitHub

• https://fetch.spec.whatwg.org/ (2 times)
• https://github.com/github/fetch (2 times)
• Make fetch() use "same-origin" credentials by default whatwg/fetch#585 (1 time)

[sideshowbarker]

Serge, thanks much — this is a great clarification. And congrats on landing your first docs change here — welcome aboard 🎉