Book Image

HTML5 Multimedia Development Cookbook

Book Image

HTML5 Multimedia Development Cookbook

Overview of this book

HTML5 is the most significant new advancement the web has seen in many years. HTML5 adds many new features including the video, audio, and canvas elements, as well as the integration of SVG. This cookbook is packed full of recipes that will help you harness HTML5’s next generation multimedia features. HTML5 is the future.Whether you’re a seasoned pro or a total newbie, this book gives you the recipes that will serve as your practical guide to creating semantically rich websites and apps using HTML5. Get ready to perform a quantum leap harnessing HTML5 to create powerful, real world applications. Many of the new key features of HTML5 are covered, with self-contained practical recipes for each topic. Forget hello world. These are practical recipes you can utilize straight away to create immersive, interactive multimedia applications. Create a stylish promo page in HTML5. Use SVG to replace text dynamically. Use CSS3 to control background size and appearance. Use the Canvas to process images dynamically. Apply custom playback controls to your video.
Table of Contents (16 chapters)
HTML5 Multimedia Development Cookbook
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface

Using the number tag


HTML5 now allows users to select among a range of numbers. If, for instance, you want your viewers to make a purchase, you'll probably want them to use whole numbers. After all, who orders 2 ½ shoes?

How to do it...

If we continue the shoe-buying example, we could develop a form like this:

<form>
<label>How many shoes would you like to purchase?<label>
<input type="number" name="quantity" min="2" max="6" step="2" value="2" size="4" />
</form>

Notice that in the input, we have optionally specified a minimum number that can be ordered (2) and a maximum that can be ordered (6). Step allows us in this case to make sure users can only order shoes in pairs while value sets the initial number of items displayed. Size then controls how wide the input box will be.

How it works...

Specifying <input type="number"> will display the new form control with up and down arrows, allowing the user to increase and decrease the value in the field. These are...