Javascript

Netscape invented JavaScript but it has now been adopted by all browsers.

It is the most commonly used client scripting technology and is a core part of any browser installation and so requires no extra downloads. JavaScript allows lightning fast page changes for rollover effects, DHTML, data sorts, animations - the list goes on and on ...

Flash

Vendor: Macromedia

Provides incredible animation to websites, but it is expensive to develop in and requires an add-on to the browser.

Style Sheets

Are a mechanism for applying consistent style (e.g. fonts, colors, spacing) to web pages. They allow us to separate presentation and content and ensure visual continuity across all our sites.

DHTML

The art of combining the client-side technologies of HTML, CSS, and JavaScript to create dynamic and interactive Web pages. Because it uses client-side technologies pages changes and effects are very fast and very smooth.