What are some advanced techniques for handling forms in Angular?

What are some advanced techniques for handling forms in Angular?

Advanced Angular forms techniques include reactive forms, custom validators, dynamic form controls, and form arrays.

Can you explain how to create a custom validator?

Sure! A custom validator is a function that takes a control as an argument and returns either null if valid or an error object if invalid.

How do I implement dynamic form controls?

You can use FormArray to manage dynamic form controls, allowing you to add or remove controls at runtime.

What are form arrays and how do they work?

FormArrays are a way to manage an array of form controls in Angular, enabling you to handle multiple similar inputs.