Chapter 3: Rich Media

The history of the web is punctuated with technological improvements. One of the earliest additions to HTML was the img element, which fundamentally altered the web. Then, the introduction of JavaScript allowed the web to become a more dynamic environment. Later, the proliferation of Ajax made the web a viable option for full-fledged applications.

Web standards have advanced so much that it’s now possible to build almost anything using HTML, CSS, and JavaScript—almost anything.

There are some gaps in the web standards palette. If you want to publish text and images, HTML and CSS are all you need. But if you want to publish audio or video, you’ll ...

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