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JavaScript
A scripting language that is an extremely useful companion to HTML for WebPages. JavaScript code is very similar to C++ and Java. It is a great language for advanced WebPage designers to learn. With JavaScript one can write video games and many other things not possible with standard HTML. All you need to write JavaScript is the Windows Notepad application or any other text application.
JPEG (Joint Photographic Experts Group)
A compressed image format with the ".jpg" or ".jpeg" extension, (most commonly ".jpg"). This format is especially useful for Internet image files because of its smaller size. An image is normally best saved as a JPEG type when it has over 256 colors. If an image has less than 256 colors and you are going to use in on the Internet it is normally better to save it as a GIF type.