Angular - Reactive Forms
Which reactive forms feature allows Angular developers to add or remove form controls dynamically at runtime based on user interactions?
Which reactive forms feature allows Angular developers to add or remove form controls dynamically at runtime based on user interactions?
hard🧠 Conceptual Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand dynamic form control management
FormArray is designed to hold an array of controls that can be added or removed dynamically.Step 2: Compare other options
FormControl manages individual controls, NgModel is for template-driven forms, which are less suited for dynamic control management.Final Answer:
FormArray enables dynamic addition and removal of controls within a form group. -> Option BQuick Check:
Use FormArray for dynamic control management [OK]
Quick Trick: FormArray manages dynamic controls in reactive forms [OK]
Common Mistakes:
MISTAKES- Confusing FormControl with dynamic control management
- Assuming template-driven forms handle dynamic controls better
Master "Reactive Forms" in Angular
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