Dynamically add input fields, Form Array, add input fields dynamically on click on button in Angular

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We will be learning how to add input field dynamically on any button click on angular with the help of reactive forms module.

#angular #forms #angulartutorial #youtube2023 #typescript

Covered Topics :-
Add input field on click on angular html element
Remove input field on click on angular html element
Show form data on submit button click

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Nice solution was looking for the same

vijaychouhan

Thank You so much for showing how FormArray works, but i have a question. I am very new to angular just wanted to know that if the input fields that you have shown are some other "custom input component" like
<app-text-field>
and we are passing controls in
<app-text-field

rather than passing formControlName then how should we go by it.

Also, <app-text-field> TypeScript File is @Input() control: FormControl= new FormControl(' ');

and HTML Goes like
<input type="text" [formControl]="control" />

Thanks In advance :)

shubhraneelghosh

Where is add subject functionality can you it also

hanumanthnadapana

thanks for sharing the knowledge.. but I want to ask. Can you give an example for the backend side?

zulfalutfiah

If you call that studentListArray( ) function inside the ng-for, wouldn't that have a negative effect on the app's performance? cause that function will be called every time the app detects changes in that component. So that will lead to multiple unwanted calls to that function.

stefanciobanu

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