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 an area chart

Area charts are usually used in place of line charts when we want to stack multiple results on top of each other. They can also be used to enhance the visual appeal of the chart in certain circumstances.

This recipe will present an example where the area chart is used for an enhanced visual appeal: displaying altitude data.

Let's say we need to visualize the altitude of a 8-km downhill hike succeeded by 12 km of flat walking. We would also like to mark the "mountain" portion of the chart. Finally, we would like the area below the altitude line to be filled in a way reminiscent of color relief maps with the color green for low, yellow for medium, and white for high-altitude.

Getting ready

We'll also use the Flot chart library in this example, so we will need to download Flot from the official website ta and extract the content to a separate folder named flot.

How to do it...

  1. Our HTML file needs a chart placeholder element and the necessary scripts...