Which of the following is the correct syntax to bind an input field to a component property named username using two-way binding in Angular?

easy📝 Syntax Q12 of 15

Angular - Template-Driven Forms

Which of the following is the correct syntax to bind an input field to a component property named username using two-way binding in Angular?

A<input [(ngModel)]="username">

B<input (ngModelChange)="username = $event">

C<input [ngModel]="username">

D<input [value]="username" (input)="username = $event.target.value">

Step-by-Step Solution

Solution:

Step 1: Recall two-way binding syntax
Angular uses [(ngModel)] for two-way data binding on form inputs.
Step 2: Match syntax to property
The correct syntax to bind username is <input [(ngModel)]="username">.
Final Answer:
<input [(ngModel)]="username"> -> Option A
Quick Check:
Two-way binding = [(ngModel)] [OK]

Quick Trick: Two-way binding always uses [(ngModel)] [OK]

Common Mistakes:

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