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Introduction to DHTML

Mar-9-2010 By YourOnlineTutor

DHTML is an entirely “client-side” technology

- It does not require plugins and embeds seamlessly into a web page.


- Underlying technologies-HTML, CSS, javaScript

- Allows changing of content, color, fonts, etc. dynamically

What is DHTML?

It is considered to be made up of HTML, Cascading Style Sheets (CSS), and Scripting language.

All three of these components are linked via Document Object Model (DOM).

DOM

For those who don’t know about DOM, it is the interface that allows scripting languages to access the content, style, and structure of the web documents and change them dynamically

What is RDF?

Feb-3-2010 By

The resource description framework (RDF), is an XML-based application being developed in the W3C…
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Here’s more info on cookies that you may want to know -

• When the cookie is requested for the first time, the cookie is stored using the set-Cookie entry in the header of the response from the server.
• Set-cookie : name= value; expires = Date;Path=PATH;domain=DOMAIN;secure

Optional attributes are –
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Wondering what is JavaScript? Well, here’s a brief introduction to JavaScript, along with some of its common uses…
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To integrate javascript with the html, the following syntax must be used.
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package examples.filters;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
* @version 1.0
* @author
*/

public class HelloWorldFilter implements Filter
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This is a container which hosts the FRAME,
FRAMESET, and NOFRAME tags.

< FRAMESET
COLS=col-widths
FRAMEBORDER=yes-no
FRAMESPACING=spacing
ROWS=row-heights
BORDERCOLOR=“colorname/rgb format” >

Frames

Defines a single frame in a frameset and there is no matching end tag as this is not a container.
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Area Specifies the shape of a hyperlink “hot spot” in a client-side image map.

< AREA
ALT=text
COORDS=coordinates
HREF=url
SHAPE=CIRC | CIRCLE | POLY | POLYGON | RECT | RECTANGLE >

On the other hand, < MAP NAME = name > Specifies a collection of hot spots for a client-side image map.
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Cookie is a method of storing information about the page returned by the server and stored locally in the browser.

Purpose of the cookie is to store the state of the client enabling the server to know about the client’s previous actions on the page downloaded…
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Here are some of the golden rules of UI Design -

• Strive for consistency
• Enable frequent users to use shortcut
• Offer informative feedback
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