Скачать или смотреть Learn Angular 17 in Arabic | #64 Master Angular: Validation Functions with Parameter (Part 09)

In this video, we explore how to create custom validation functions in Angular's Reactive Forms that accept parameters, enabling dynamic and reusable validation logic.

Learn how to:
Build parameterized validators to handle custom validation requirements.
Use closure functions to pass arguments to validation functions.
Implement practical examples such as minimum and maximum value - validation, dynamic length checks, and more.
Apply parameterized validators to FormControl and FormGroup for enhanced flexibility.
By the end of this tutorial, you’ll master creating validation functions that can adapt to varying conditions, making your forms more dynamic and robust.
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Key Takeaways:
Understand how to pass parameters to validation functions.
Write dynamic validators using closures in Angular.
Practical examples of parameterized validators in real-world scenarios.
Best practices for reusable and maintainable validation logic.
Improve form flexibility with custom, adaptable validation functions.
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