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

Telephone input


In this recipe, we will take a look at the input type for telephone numbers. Due to the very different telephone number formats between countries, the phone input does not require any specific pattern, if not explicitly specified. If we are required to have some specific pattern, we can do various types of validations as discussed in detail in Chapter 6, Data Validation.

The main advantage of using a text input type is to be more semantically correct, and as such to bring about more optimization on mobile devices.

How to do it...

As the preceding related recipes, we simply add the input element in the body of the HTML document:

  <form>
    <label>
      Insert phone <input type="tel" >
    </label>
  <input type="submit" >
  </form>

How it works...

When you try it out on a first look, it seams like it is a regular input type="text" element. But this one now is more semantically correct. Now why is this important, or why should we care about...