Add docs for Private State Token API

[skyclouds2001]

Proposal

the feature has been supported since Chrome 117, see BCD update

Browser support

Chrome 117 + (and Edge)

Tasks

• BCD add
  • [x] HTMLIFrameElement.privateToken in https://github.com/mdn/browser-compat-data/pull/20988
  • [x] XMLHttpRequest.setPrivateToken() in https://github.com/mdn/browser-compat-data/pull/20993
  • [ ] Request constructor privateToken option
  • [ ] fetch() method privateToken option
  • [x] Document.hasPrivateToken() in https://github.com/mdn/browser-compat-data/pull/22013
  • [x] Document.hasRedemptionRecord() in https://github.com/mdn/browser-compat-data/pull/20985
  • [ ] <iframe> element privatetoken attribute
  • [ ] Sec-Private-State-Token HTTP header
  • [ ] Sec-Private-State-Token-Lifetime HTTP header
  • [ ] Sec-Private-State-Token-Crypto-Version HTTP header
  • [ ] Sec-Redemption-Record HTTP header
• document add
  • [ ] API summary documentation
  • [ ] add API guide documentation (if needed)
  • [ ] HTMLIFrameElement.privateToken (update HTMLIFrameElement list)
  • [ ] XMLHttpRequest.setPrivateToken() (update XMLHttpRequest list)
  • [ ] Request constructor privateToken option
  • [ ] fetch() method privateToken option
  • [ ] Document.hasPrivateToken() (update Document list)
  • [ ] Document.hasRedemptionRecord() (update Document list)
  • [ ] <iframe> element privateToken attribute
  • [ ] Sec-Private-State-Token HTTP header
  • [ ] Sec-Private-State-Token-Lifetime HTTP header
  • [ ] Sec-Private-State-Token-Crypto-Version HTTP header
  • [ ] Sec-Redemption-Record HTTP header
• [ ] add the API in GroupData
• [ ] update BCD to add mdn_url

Dependencies

No response

Additional information

spec https://wicg.github.io/trust-token-api/

chrome status https://chromestatus.com/feature/5078049450098688

Are you willing to support this work?

No response

[Rumyra]

Thanks @skyclouds2001 :)

@chrisdavidmills I can see this in your backlog so assigning to you - @skyclouds2001 has written up a great checklist of the tasks above ☝️

[chrisdavidmills]

Great stuff, thanks both. I'll make sure to reference this issue when I work on this.