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
About the Authors
About the Reviewers

Creating a bubble chart

Bubble charts can display sets of values as circles. They're usable for datasets with sizes in the range 10 through 100. They're particularly useful for visualizing values that differ by orders of magnitude and can replace pie charts in those situations.

As bubble charts are more complex and slightly less common, we're going to need a flexible library to draw them. The excellent D3 library ( is a great fit; it provides a set of tools, (the core data-driven DOM API plus the "pack" data layout) that enables the creation of bubble charts.

We're going to draw a bubble chart displaying the numbers of visitors coming to our website from referring websites.

How to do it...

Let's write the HTML and JavaScript code.

  1. We're going to create an HTML page containing our chart placeholder. We're going to include the chart library D3, and the code that will draw the bubble chart from our example.js file: