19. Working with Scripts
In This Chapter
While HTML defines your Web page’s content and CSS defines its presentation, JavaScript defines special behavior.
You can write simple JavaScript programs to show and hide content, and you can write more complicated ones that load data and dynamically update your page. You can drive custom HTML5 audio and video element controls, and create browser-based games that use HTML5’s canvas element. And you can write full-blown Web applications that leverage some of the most powerful features in HTML5 and related technologies (they’re advanced topics, so they aren’t covered in this book).
As you can see, JavaScript has quite a range ...
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