Basic Overview of JavaScript Technology

1. JavaScript
Tutorial

2. Introduction
JavaScript is a Scripting Language
Produced by Netscape for use within
HTML Webpage.
JavaScript is a loosely based on Java an
it is built in into all the major modern
browsers.
JavaScript language for Programming
webpages.

3. Why Study JavaScript
JavaScript is one of the 3 languages
All web Developers must learn.
1. HTML to the define the content of
Webpages.
1. CSS to specify the layout of Webpages.
2. JavaScript to Program the behavior
of Webpages.

4. Features of JavaScript
JavaScript Provides Client side validation.
JavaScript can detect the Client browser and OS.
JavaScript Supported is-
1. DOM Traversing
2. DOM Manipulation
3. Event Handling
4. Fast Execution
5. Cross Browser Supported

5. Input/Output Methods of JavaScript
alert() :- It is same link as printf method in
C-Programming language. alert() method is
a output method of JavaScript.
write():-
prompt():- It is a input method into this
Method user can input at a runtime, so it
Provides a built in textbox on pop-up
Window.