Angular - Reactive Forms
Which of the following is the correct way to add a new control to a
FormArray named emails?Which of the following is the correct way to add a new control to a FormArray named emails?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall FormArray methods
The method to add a control to FormArray ispush().Step 2: Check each option
Only emails.push(new FormControl('')) usespush()correctly. Others are invalid methods for FormArray.Final Answer:
emails.push(new FormControl('')) -> Option CQuick Check:
Use push() to add control [OK]
Quick Trick: Use push() to add controls to FormArray [OK]
Common Mistakes:
MISTAKES- Using addControl() which is for FormGroup
- Trying appendControl() or insertControl() which don't exist
- Confusing FormArray with FormGroup methods
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