Enum Value Duplication in TypeScript: Avoiding Silent Bugs

Duplicate enum values can hijack your reverse lookup. Two members are assigned the same numeric constant. A console.log reads the enum by that number. In production this can surface as wrong status codes. Logs may point to an unexpected enum name. Buggy conditionals silently pick the last defined key. Comment A, B, C, or D with the output you think appears and defend your choice. #typescript #programming #codinginterview #backend

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