Book Image

Angular 2 Core Concepts [Video]

By : Matt Frisbie
Book Image

Angular 2 Core Concepts [Video]

By: Matt Frisbie

Overview of this book

<p>Angular 2 introduces an entirely new paradigm of applications. It wholly embraces all the newest concepts that are built into the next generation of browsers, and it cuts away all the fat and bloat from Angular 1. This course plunges directly into the heart of all the most important Angular 2 concepts.</p> <p>This course helps you to migrate from Angular 1 application to Angular 2, familiarizes you with the Angular 2 components and covers the reworked Angular 2 form modules in depth.</p> <h1>Style and Approach</h1> <p>This course follows a solution-based approach, where each video presents a unique problem and solution in a clear, concise, and step-by-step manner. With practical hands-on guidance in each and every recipe, you'll be able to get to grips with the concepts.</p>
Table of Contents (3 chapters)
Chapter 3
Building Template-Driven and Reactive Forms
Content Locked
Section 8
Creating and Using a Custom Asynchronous Validator with Promises
Angular will run this validation every time the validator is invoked, which might be quite often if form validation is bound to rapid-fire events. - Create the validator class - Place a static validation method - Set the delay to only one time per rendering