Book Image

HTML5 Data and Services Cookbook

Book Image

HTML5 Data and Services Cookbook

Overview of this book

HTML5 is everywhere. From PCs to tablets to smartphones and even TVs, the web is the most ubiquitous application platform and information medium bar. Its becoming a first class citizen in established operating systems such as Microsoft Windows 8 as well as the primary platform of new operating systems such as Google Chrome OS. "HTML5 Data and Services Cookbook" contains over 100 recipes explaining how to utilize modern features and techniques when building websites or web applications. This book will help you to explore the full power of HTML5 - from number rounding to advanced graphics to real-time data binding. "HTML5 Data and Services Cookbook" starts with the display of text and related data. Then you will be guided through graphs and animated visualizations followed by input and input controls. Data serialization, validation and communication with the server as well as modern frameworks with advanced features like automatic data binding and server communication will also be covered in detail.This book covers a fast track into new libraries and features that are part of HTML5!
Table of Contents (21 chapters)
HTML5 Data and Services Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Rendering arrays using Handlebars


Displaying a list of objects is the most common reason we need a separate template language, otherwise we could easily get by with direct DOM manipulation. Handlebars has an easy, clean, and straightforward syntax for array iteration—the each construct, which works very similarly to the for each loops in other languages.

In this recipe, we're going to render a list of message objects. Each message object will have an author, arrival time, body, and read status. We're going to use a different style to distinguish between read and unread messages.

As usual in this chapter, the template will be included in the HTML file inside a script tag. However, the compilation can be called on any string that we choose; it is therefore possible to download the template data by sending a request to the server.

Getting ready

We need to download Handlebars from https://github.com/wycats/handlebars.js. The browser version is in the dist directory. Create a directory for the example...