Talking about Animation

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Browser Basics

The code behind the page
The html behind the Web page.

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Before we start actually animating, let's take a few minutes to look at the language of animation.

When you look at a web page, what you see is not what your computer sees. When you type in a web address, you send a request to another computer for that page. It sends the code for that page over the internet to your computer. Happily, you don't have to look at the straight code (unless you want to). A Web browser is a program like Microsoft Internet Explorer or Netscape Navigator that interprets that Web code so that it makes sense for you. For example, the code might say <body bgcolor = "#000000"> and the browser will show you a page with a black background. Note also that the browser just interprets the code - so the same page can look slightly different in different browsers.

The code that browsers use at their most basic level is called html. It's pretty limited - it can show text, display pictures, and link to other pages. If you want your web page to do something more exciting - for example, show animation - you'll probably need to teach your browser to interpret other kinds of code. A plug-in lets your browser interpret other kinds of code - like RealAudio, Flash or Quicktime.

Now that our browsers are ready for animations, let's look at what goes into them.

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