What can a JavaScript do?

• JavaScript can put dynamic text into an HTML page - A JavaScript statement like this: document.write("<h1>" + name + "</h1>") can write a variable text into an HTML page .
• JavaScript can react to events - A JavaScript can be set to execute when something happens, like when a page has finished loading or when a user clicks on an HTML element .
• JavaScript can read and write HTML elements - A JavaScript can read and change the content of an HTML element .
• JavaScript can be used to validate data - A JavaScript can be used to validate form data before it is submitted to a server. This saves the server from extra processing .
• JavaScript can be used to detect the visitor's browser - A JavaScript can be used to detect the visitor's browser, and - depending on the browser - load another page specifically designed for that browser .
• JavaScript can be used to create cookies - A JavaScript can be used to store and retrieve information on the visitor's computer.

====================
Publicize yourself ... Free!
saalram
====================