Introduction to JavaScript

Introduction to JavaScript

What : JavaScript What is it?

JavaScript is a scripting language, which is an interpreted language--the browser executes each line of script that it encounters directly.

W.H.O. : JavaScript who developed it?

Developed by the American Netscape Communications company.

when : JavaScript When was it born?

1995 first introduced in Netscape Navigator2.0.

Where : JavaScript Where to use?

In HTML, using the <scipt> tag description is the JS scripting language.

Eg:

<script language= "JavaScript" type= "Text/javascript" src= "Filename.js" ></script>

Why : Why use JavaScript ?

1. Improved navigation functions such as navigation tools, menus, etc.
2. Validating forms
3. Special effects
4. Remote scripting Technology (AJAX)

Introduction to JavaScript