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Which Angular feature best achieves this with minimal code?

hard📝 Application Q15 of 15
Angular - Templates and Data Binding
You want to build a form where the user's input updates the data model instantly, and changes in the model update the input field automatically. Which Angular feature best achieves this with minimal code?
AUse two-way binding with <code>[(ngModel)]</code> to sync input and data automatically.
BUse template reference variables and access DOM directly.
CUse interpolation {{}} inside the input tag to bind data.
DUse one-way binding with <code>[value]</code> and listen to <code>(input)</code> events manually.
Step-by-Step Solution
Solution:
  1. Step 1: Identify requirement for instant sync both ways

    The form needs data and UI to update each other automatically and instantly.
  2. Step 2: Match Angular feature

    Two-way binding with [(ngModel)] is designed exactly for this purpose, minimizing code and bugs.
  3. Final Answer:

    Use two-way binding with [(ngModel)] to sync input and data automatically. -> Option A
  4. Quick Check:

    Instant two-way sync = [(ngModel)] [OK]
Quick Trick: Two-way binding with [(ngModel)] is simplest for instant sync [OK]
Common Mistakes:
  • Using one-way binding and manual event handling
  • Trying to bind with interpolation inside inputs
  • Accessing DOM directly instead of binding

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