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Library/Frontend/Angular
Medium Pro#angular

Sự khác biệt giữa `inject()` và Constructor Injection trong Angular là gì?

February 15, 2026

Quick summary

Constructor Injection requires a class-based approach to declare dependencies via constructor parameters, whereas `inject()` is a runtime function operating within an Injection Context, enabling Dependency Injection (DI) in functional APIs and simplifying class inheritance.

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Sample answer:

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam.

Quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore.

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