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A
simple explanation of what these terms mean:
 A plug-in
A plug-in is
a piece of software that increases the usefulness of your browser (Netscape or
Internet Explorer). Usually, plug-ins are available freely on the Internet. You
will need to download it (or obtain it from a disk) and then install it.
Installation is usually automatic and requires no specialised knowledge on your
part. Once installed, you will find that at some sites on the Internet there
will be particular aspects that will be enhanced, like animation or sound.
This website uses the following plug-ins:
Formula One,
MathView,
Microworlds,
VRML
 Java
Java is a
programming language which is an integral part of up to date versions of your
browser - typically Version 4. Sites that use Java will download to your
browser all necessary information once you arrive at the site. This downloading
might be slow to complete. You can then use all manner of custom
designed programs. For detailed information go to
Netscape Java.
This website makes extensive use of Java
on these pages: JavaSketchpad,
Cinderella
 JavaScript
JavaScript
is a simple, fairly user-friendly, property-based scripting language. Scripts
written in JavaScript can enhance the features of a web page. For example, a
JavaScript script can be incorporated into forms and page navigation, to make
the process more interactive. For detailed information go to
Netscape JavaScript.
Pros
and cons
Using a plug-in will involve you in the technicalities
of installing software. However, once installed, pages that use it run very
quickly and efficiently. Java based pages require no installation, but you must
have the correct version of your browser and be prepared for long waits while
the necessary information is downloaded. JavaScript is already used on most web
pages - you hardly notice it. Go to
MathNews.Net for
more on this debate.
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HELP!