Articles
for Web Scripting Language:
Scripting languages are
becoming increasingly popular on the web, because they can be
used to make web pages more dynamic and interactive.
There
are two types of scripting languages:
server-side
and
client-side.
Server-side scripting performs
all of its processing on the web server and delivers a final
product (the web page) to the user's browser. Server-side
scripting does not, in and of itself, present accessibility
problems. Like all web content, however, server-side scripts
must produce content that follows principles of accessible
design.

In
contrast, client-side scripting is scripting that does all of
its processing on the user's own computer. It is commonly used
to create pop-up windows, instant-redirect pulldown menus,
shopping-cart calculations, and mouseover effects (i.e., menus
or images that change when the user's mouse passes over them).
Javascript is the most popularclient-side scripting language.
Whether
Client-side scripts yield accessible
content depends largely on how they're used and whether the user
has technology that supports them. Older versions of popular
browsers do not support client-side scripting, and newer
versions allow users to turn off script support (many users do
so because of security concerns or to turn off annoying features
such as pop-up ads or scrolling tickertapes). The answer to the
question of whether script-generated content is supported by
assistive technology depends on the intended function of the
script and on the technique used to deploy that function. For
example, if the intended function is to display a submenu when
the user mouses over a particular link, then this function is
inaccessible to people who aren't using a mouse. On the other
hand, the intended function is to display a submenu when a
particular link has focus, then the function itself may be
accessible. However, particular techniques for deploying this
function may be inaccessible to people using assistive
technology such as screen readers.
| Most Pupular Web Servers (as on
1999-2000) |
| Windows 2000 Advanced Server with Microsoft IIS |
19.33 % |
| Solaris with IPlanet Web Server |
18.66 % |
| NetWare with NetWare Enterprise Web Server and IBM
WebSphere |
17.33 % |
| Red Hat Linux Professional with Apache Web Server |
14.66 % |
| Solaris with Apache Web Server |
12.66 % |
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