Glossary of Internet Terms

Letter J

©2000 by Walt Howe
(last updated 22 October 2012)


Select the first character of the term you want to look up or use the Search link on the right.

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This Internet Glossary is growing. Terms and definitions are being added all the time. If you have comments, corrections, or suggested additions, please send them to Walt Howe using the form at the end of the Glossary. My thanks for the many suggestions that already have been included.


Web Developers! See how to link to terms in the glossary from your web page.

J

Java
A programming language developed by Sun Microsystems based on C++. It is used with web pages to create applets that will run on different platforms.
Javascript
A scriptlanguage (with little in common with Java) developed by Netscape for writing short programs embedded in a web page. It is supported by Netscape from version 2.0 on and Microsoft and AOL browsers from version 4.0 on. MSIE 3.0 partially supports some features of Javascript.
JPEG
Joint Photographic Experts Group, a graphical format that is widely used in WWW pages. It is particularly well suited to photographs and 3D or VRML images where there is a continuous range of colors or shades. It is a lossy format that can be reduced in file size by reducing the detail in the image. JPEG files use a .jpg or less commonly, .jpeg or .jpe extension. See also GIF.
JUGhead
Searchable index software that can be applied to a an organization's gopher menus similar to VERONICA. It supposedly was named for its inventor, Rhett Jones, as Jonzy's Universal Gopher Hierarchy Excavation And Display. But since the search tools archie and VERONICA came before it, the name obviously preceded the acronym. See archie and VERONICA.

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For Web Developers: How to Link to the glossary terms.
You can link to any term in this glossary with a link in this form:

http://www.walthowe.com/glossary/*.html#term

Replace the asterisk in *.html with the first letter of the term you are linking to. Terms with more than one word will generally use an underline to link the words.