Validation
Explore how to implement validation in Angular reactive forms to ensure form inputs meet specific rules. Learn to import and apply built-in validators such as required and minLength to provide immediate feedback and improve data integrity in your applications.
We'll cover the following...
Validation is necessary for almost any form. We can use reactive forms to perform validation on the client side, which saves users from having to wait for a response from the server. They’ll be able to receive immediate feedback.
We’ll want to ensure every input in the form contains valid values for a credit card. Angular comes with validators out of the box. Validators are functions that check a value against some rules. A boolean value is returned based on whether the input’s value passes the ...