Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Hands-On Full Stack Web Development with Aurelia

You're reading from   Hands-On Full Stack Web Development with Aurelia Develop modern and real-time web applications with Aurelia and Node.js

Arrow left icon
Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788833202
Length 348 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Authors (2):
Arrow left icon
Diego Argüelles Rojas Diego Argüelles Rojas
Author Profile Icon Diego Argüelles Rojas
Diego Argüelles Rojas
Erikson Murrugarra Murrugarra Sifuentes Erikson Murrugarra Murrugarra Sifuentes
Author Profile Icon Erikson Murrugarra Murrugarra Sifuentes
Erikson Murrugarra Murrugarra Sifuentes
Arrow right icon
View More author details
Toc

Table of Contents (12) Chapters Close

Preface 1. Introducing Aurelia 2. Styling the User Interface FREE CHAPTER 3. Testing and Debugging 4. Creating Components and Templates 5. Creating Our RESTful API 6. Storing Our Data in MongoDB 7. Advanced Features on Aurelia 8. Security 9. Running E2E Tests 10. Deployment 11. Other Books You May Enjoy

Managing events with Aurelia


We were explaining how to override and catch determined events and methods in the component life cycle, but what if we want to write our own methods and execute them when the user clicks on some button or moves the mouse for one section? We will start to delegate events.

The event delegation concept is a useful concept where the event handler is attached to one single element instead of multiple elements on the DOM. What implies that? Memory efficiency. It drastically reduces the number of event subscriptions by leveraging the bubbling characteristic of most DOM events.

On the other hand, we have the trigger concept. Similar, but not equal. You should use trigger binding when you need to subscribe to events that do not bubble (blur, focus, load, and unload).

Some examples are as listed:

  • You need to disable a button, input, or another element
  • The element's content is made up of other elements (reusable component)

In code words, it can be explained like this:

<select...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image