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throw ↔ JS Keyword Statement to stop executing current function with user-defined Exception

References​

  1. Silent Fail ↔ Error thrown in async code MISSING .catch()

  2. "noImplicitAny": true ↔ to throw Exception when any Parameter inferred as any

  3. "strictNullChecks": true ↔ to throw Exception when access Variable which potentially be null/undefined

  4. "noImplicitReturns": true ↔ to throw when any function branch missing explicit return (when at least one branch has explicit return; else it's okay to omit)