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Reactive forms

Reactive forms are model-driven forms where form state and validation live in the component class, not the template.

Neha Goel · 2026-02-16 06:03 · 0 claps · 0.5 min read
#reactive-forms #angular #interview #software-engineering #learning
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Wiki topics: EDU · Education & Learning 🌐 · Web Development

Reactive forms

Reactive forms are model-driven forms where form state and validation live in the component class, not the template.

In Reactive forms you can control:

  • Form structure
  • Validation
  • Data flow
  • Testing

Reactive forms scale better and are easier to test.

Core Building Blocks (must know)

  • FormControl
  • FormGroup
  • FormArray

Validation: Built-in validators

  • required
  • minLength
  • email
  • pattern

Template-driven vs Reactive (quick compare)

That’s all for now. Happy learning :)


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