The World Wide Web
(WWW) started as a text-only medium. The primary version does not have the ability
to include graphics on a page even.
Today’s Web sites contain,
sound animation, graphics, video and sometimes even useful content! Web
scripting languages, like JavaScript, are one of the simplest ways to spice up
the Web page & to interact along with users in new ways, HTML, not like
which is a simple text markup language, that can’t respond to user, make
decisions or automate repetitive tasks. Web scripting languages let you to
combine scripting along with HTML to generate interactive Web pages.
In JavaScript a script
can range from single line to a full-scale application. It was developed by
Netscape Communications Corporation, the makers of the famous Netscape
Navigator Web browser. It was the primary Web scripting language to be
introduced, and it is by far the most popular. Following are a few things you
can do with JavaScript:
- - Add
changing or scrolling messages to the browser’s status line.
- Validate the contents of form and make
calculations.
- Demonstrate messages to user, either as
part of a Web page or in alert boxes.
- Animate
images or create images which change while you move the mouse over them.
- Detect the browser in use and display
distinct content for different browsers.
- Detect installed plug-ins and inform the
user if a plug-in is needed.
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