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Which of the following is the correct way to bind an input element's value to a component property named email using Angular's ngModel directive?

easy📝 Syntax Q3 of 15
Angular - Template-Driven Forms
Which of the following is the correct way to bind an input element's value to a component property named email using Angular's ngModel directive?
A<input [ngModel]="email">
B<input [(ngModel)]="email">
C<input ngModel="email">
D<input (ngModel)="email">
Step-by-Step Solution
Solution:

  1. Step 1: Understand two-way binding syntax

    Angular uses [(ngModel)] for two-way binding.

  2. Step 2: Identify correct syntax

    <input [(ngModel)]="email"> binds the input's value to the email property.

  3. Final Answer:

    <input [(ngModel)]="email"> -> Option B

  4. Quick Check:

    Two-way binding uses [(ngModel)] [OK]
Quick Trick: Use [(ngModel)] for two-way binding [OK]
Common Mistakes:
MISTAKES
  • Using [ngModel] which is one-way binding
  • Using ngModel without brackets or parentheses
  • Using (ngModel) which is event binding

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