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conformance · v140

v140 · http-cookie-prefix — conformance probe

5 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://github.com/httpwg/http-extensions/pull/3110 chromestatus: #5170139586363392 generated 2026-06-02T00:00:00Z by codex-auto-research
0
pass
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fail
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blocked
5
total
id contract kind verdict detail
ordinary-cookie-settable A normal same-origin cookie can still be set and read by document.cookie. spec ↗ script
httponly-prefix-not-script-settable A __Http- cookie cannot be minted from script because script cannot set the required HttpOnly attribute. spec ↗ script
host-http-prefix-not-script-settable A __Host-Http- cookie is rejected from script because it also requires HttpOnly. spec ↗ script
http-prefix-without-secure-rejected A __Http- cookie without Secure is rejected even before considering HttpOnly. spec ↗ script
cookie-store-cannot-mint-http-prefix Cookie Store API writes cannot mint __Http- cookies without HttpOnly semantics. spec ↗ script