空值 null

Language
html
Surface
keywords
Locale
nan
Concept
null
Brain ID
html/keywords/null
Upstream reference
MDN · deep
Brain version
1.1.0-alpha.13 · generated Mon, 20 Jul 2026 15:26:24 GMT · hash 4914b8003cdd29d0…

Provenance

Full per-leaf change history across brain builds is not yet recorded; shown is the current build's layer stack.

Discuss this term on the NADA forum →

Across locales

What each covering migration carries for this concept, per locale — the whole-brain view, not filtered by your language. Forms are the migration's leaf values (pre-transform, pre-human-verdict); a locale without a form falls back to canonical English. Chips open that locale's live docs page for this term.

null-absence · concept null — per-locale forms

Expand to load the per-locale matrix.

demo-alpha · concept null — per-locale forms

Expand to load the per-locale matrix.

sealion-refinement · concept null — per-locale forms

Expand to load the per-locale matrix.

AI council review

Reviewed by 1 model · @cf/aisingapore/gemma-sea-lion-v4-27b-it · 2026-07-17

Cluster null-absence · locale nan · member null

confirm
verdict
無值
existing translation
無值
improved translation
Explanation

「無值」 accurately conveys the concept of 'no value' and is consistent with the overall strategy of collapsing null, nil, and none.