To dynamically create form fields with `FormArray` in Angular, you can follow these steps:

1. Import the necessary modules and services: - Import `FormBuilder` and `FormGroup` from `@angular/forms`. 2. Create the form group and form array in the component: - In the component class, create a form group using the `FormBuilder` and define a form array within it.

   import { Component, OnInit } from '@angular/core';
   import { FormBuilder, FormGroup, FormArray, Validators } from '@angular/forms';

   @Component({
     selector: 'app-dynamic-form',
     templateUrl: './dynamic-form.component.html',
   })
   export class DynamicFormComponent implements OnInit {
     dynamicForm: FormGroup;

     constructor(private formBuilder: FormBuilder) {}

     ngOnInit() {
       this.dynamicForm = this.formBuilder.group({
         formArrayName: this.formBuilder.array([]),
       });
     }

     get formArray(): FormArray {
       return this.dynamicForm.get('formArrayName') as FormArray;
     }

     // Other methods for adding, removing, and accessing form array controls
   }

3. Implement methods to add and remove form array controls: - Implement methods to add and remove form array controls within the component. - These methods should use the `FormArray` methods `push()` and `removeAt()` to add or remove form array controls.

   //...

   addFormControl() {
     const control = this.formBuilder.control('', Validators.required);
     this.formArray.push(control);
   }

   removeFormControl(index: number) {
     this.formArray.removeAt(index);
   }

   //...

4. Generate form fields dynamically in the template: - In the component's template, use `*ngFor` to iterate over the form array controls and generate the corresponding form fields dynamically.

   <form [formgroup]="dynamicForm" (ngsubmit)="onSubmit()">
     <div formarrayname="formArrayName">
       <div *ngfor="let control of formArray.controls; let i = index">
         <input [formcontrolname]="i" type="text">
         <button (click)="removeFormControl(i)">Remove</button>
       </div>
     </div>
     <button (click)="addFormControl()">Add Field</button>
     <button type="submit">Submit</button>
   </form>

In the example above, the `formArray` is accessed using the `formArrayName` property, and `*ngFor` is used to iterate over the form array controls. Each control is rendered as an input field, and a "Remove" button is provided to remove the corresponding control. 5. Handle form submission: - Implement the logic to handle form submission in the component, using the `FormGroup` instance to access the form values and perform any necessary operations.

   //...

   onSubmit() {
     if (this.dynamicForm.valid) {
       const formValues = this.dynamicForm.value;
       // Handle form submission
     }
   }

   //...

By following these steps, you can dynamically create form fields using `FormArray` in Angular. The form array allows you to add or remove form controls dynamically, and the form values can be accessed and processed as needed.