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

Color picker input


As one of the new input types, we have the the input type="color" element, which lets you pick a color and the chosen color will have its simple colors representation that we are used to. The color representation has a more popular name of hexadecimal color representation, and in this recipe, we will see a simple example on how to use it by creating a form with color picker:

How to do it...

We will create a simple form where we will have a color picker added in a form that is part of the HTML body:

<form>
  <label>
    Select your favorite color <input type="color" value="#0000ff">
  </label>
  <input type="submit" >
</form>

How it works...

The color input type gets picked up and the currently selected color is shown. On clicking the color, we can select a menu directly from the systems color picking control.

Value selected is represented as a simple color string having a # character and six character representation that is a case-insensitive...