# is-upper-case (npm)

- Status: deprecated
- Latest stable version: 3.0.0 (published 2023-09-30T01:31:16Z)
- Deprecation: Use `input.toUpperCase() === input`
- Engines: none declared
- License: MIT
- Advisories on latest version: none known
- Verified: 2026-09-28T08:56:40.073Z
- Sources: https://registry.npmjs.org/is-upper-case/latest, https://registry.npmjs.org/-/package/is-upper-case/dist-tags, https://api.deps.dev/v3/systems/npm/packages/is-upper-case/versions/3.0.0

JSON: https://vigia.coredls.cloud/v1/packages/npm/is-upper-case