[Solved] What is wrong with this Angular code snippet?const fa = new FormArray();fa.push('new control'); - Ans: You must push a FormControl instance, not a string | Angular

Angular - Reactive Forms

What is wrong with this Angular code snippet?

const fa = new FormArray();
fa.push('new control');

AYou must push a FormControl instance, not a string

BFormArray cannot be instantiated without initial controls

Cpush() method does not exist on FormArray

DYou need to call addControl() instead of push()

Step-by-Step Solution

Solution:

Step 1: Check push() argument
push() expects a FormControl, FormGroup, or FormArray instance.
Step 2: Identify the error
Passing a string directly causes a type error.
Final Answer:
You must push a FormControl instance, not a string -> Option A
Quick Check:
push() requires FormControl instance [OK]

Quick Trick: push() requires FormControl instance [OK]

Common Mistakes:

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