Javascript - Introduction

JavaScript Example

Myfirst web page!
This is a paragraph
Display Date

What is JavaScript?

• JavaScript gives HTML designers a programming tool - HTML authors are normally not programmers, but JavaScript is a scripting language with a very simple syntax! Almost anyone can put small "snippets" of code into their HTML pages
• 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

• Web Tutorial
• HTML Tutorials
• XHTML Tutorials
• HTML 5.0 Tutorials
• CSS Tutorials
• CSS3 Tutorials
• Browser Scripting
• Javascript Tutorials
• HTML DOM Tutorials
• DHTML Tutorials
• AJAX Tutorials
• Server Scripting
• PHP Tutorials
• Database
• MySQL Tutorials
• XML Tutorial
• XML Tutorials