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Responsive Media in HTML5

By : Alex Libby

Responsive Media in HTML5

By: Alex Libby

Overview of this book

If you are a web designer with a good understanding of CSS, jQuery, and HTML, but new to creating responsive sites, then this book is for you. The prerequisite is a good understanding of CSS and HTML; the demos will suit those who have some prior knowledge of Less CSS, WordPress, or Bootstrap.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Working with Responsive Images

1. Working with Responsive Images

Getting started

Beginning with fluid images

Catering to vendor prefixes and image formats

Catering to different platforms

Catering to HD or retina images

Using sprites to display responsive images

Determining the available viewport for use

Working out media queries

Using pure JS to determine page breakpoints

Using data tags to allow bandwidth constraints

Working with the <picture> tags

Working with the SVG image format for scalability

Using image icons for scalability

Building a responsive carousel

Creating responsive maps using Google Maps

Summary

2. Adding Responsive Video Content

2. Adding Responsive Video Content

Getting ready

Determining support for <video> formats

Choosing the right format

Embedding HTML5 video content

Determining an available viewport for use

Catering to fallback support

Using JS libraries to provide support

Catering to different platforms

Allowing for vendor prefixes

Displaying full-size videos

Summary

3. Mixing Content

3. Mixing Content

Mixing video and image content on the same page

Considering the pitfalls of mixing content

Using preloaders to reduce delays

Adding lazy loading support to our pages

Making allowances for mobile devices

Summary

4. Testing Responsive Media

4. Testing Responsive Media

A starting point for testing

Considering pitfalls of responsive testing

Testing responsive sites with online tools

Using tools to determine speed

Summary

5. Using Frameworks

5. Using Frameworks

Introducing our three examples

Adding responsive media to a CMS

Implementing responsive media in Bootstrap

Using Less CSS to create responsive content

Summary

Index

Index

Customer Reviews

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Catering to fallback support

So far, we've produced HTML5-formatted video content and seen how to embed it in our pages. There may be occasions, though, when we are working on a device that doesn't support a certain type of video format.

While support for HTML5 video is improving all the time, we're still at a stage where not every platform supports the same formats. This leaves us with two choices. We can either try to incorporate a different format, or we can simply set the content to degrade gracefully. We've looked at providing different formats, so let's switch track and see how we can gracefully degrade our content using Modernizr as the basis for our test. The following steps will guide us through the process of content degrading:

Let's begin by adding the following code to a new file and save it as modernizr.html:

<!DOCTYPE html>
<html class="no-js">
<head>
  <meta charset="utf-8"/>
  <title> Demo: Detecting support with Modernizr</title>
  <meta...

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