Transcript PowerPoint Presentation - University of Texas School of Information

Dynamic Web Pages
Jin Wu
INF 385E Information Architecture
School of Information
11/2/2006
Overview
• Background
• Java Script (definition, usage,
application, pros & cons)
• Flash (definition, usage, application,
pros & cons)
• Conclusion
• Resources & References
• Questions
Background
• Definition (custom content based)
• Invented and patented in 1994
• Client-side dynamic content (user’s
computer)
• Server-side dynamic content (server)
JavaScript
Background
• Developed by Brendan Eich of
Netscape Corporation in 1995
• Java and JavaScript
• Created for non-programmer
• Simple to comprehend, easy to use
for non-programmer
What is JavaScript?
• Scripting language
• Consists of executable computer
code
• Embedded directly into HTML code
• Adds interactivity to HTML pages
• Everyone can use
JavaScript Usage
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Gives designers a programming tool
Puts dynamic text into an HTML page
Reacts to events
Reads and writes HTML elements
Validates data
Detects the visitor’s browser
Creates cookies
JavaScript Application
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JavaScript Alert
JavaScript MouseOver Effect
JavaScript Cookie
JavaScript Pull Down Menu
JavaScript Automatic Pop-up window
……
Sample Script
Pros
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Speed
Simplicity
Versatility
Server load
Cons
•Security
•Reliance on
end user.
Flash
Background
• Created by Macromedia in 1996,
current Flash Version 8.0
• Combines text, pictures, audio and
video
• .swf and .fla format
• Software: Adobe Flash, Swift 3D,
Koolmoves, Flash Optimizer …
What is Flash?
• Multimedia graphic program
• Create interactive animation on the
Web
• Use vector graphics
• Easy to learn
Flash Application
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Flash Website
Flash Navigation
Photo Gallery
Flash Game
Flash Advertisement
……
Embedded with HTM
Pros
• Catchy
• Widely used.
• Supports audio, animation and
advanced interactivity
• Integrates well with other Web
technologies
• No programming skill required
Cons
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Increases file size
Usability Constrains
Search engine constrains
Encourages design abuse
Distracts from a site’s core values
Conclusion
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Content is important
Make the website usable and useful
Not the be-all end-all of the internet
Just because you can do it, doesn’t
mean you should do it.
Resources
• JavaScript Tutorial
http://www.w3schools.com/js/default.asp
http://www.webteacher.com/javascript/
• JavaScript Example
http://www.bodo.com/javacool.htm
• Flash Tutorial
http://www.w3schools.com/flash/default.asp
http://www.echoecho.com/flash.htm
• Flash Example
http://www.bestflashanimationsite.com/
References
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http://www.answers.com/topic/dynamic-web-page
http://en.wikipedia.org/wiki/Java_script
http://en.wikipedia.org/wiki/Adobe_Flash
http://www.w3schools.com/js/default.asp
http://www.w3schools.com/flash/default.asp
http://www.bodo.com/j3.htm
http://www.bodo.com/j5.htm
http://www.bodo.com/j15a.htm
http://www.bodo.com/j18.htm
http://www.bodo.com/j20.htm
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http://www.evolve-capital.com/
http://www.750mph.com/main.php
http://www.artcoup.com/movie.html
http://www.novelgames.com/flashgames/game.php?id=
22
http://www.target.com/gp/homepage.html
http://www.mediacollege.com/internet/javascript/proscons.html
http://www.webpronews.com/webdevelopment/sitedesig
n/wpn-26-20040219FlashWebDesignProsandCons.html
http://www.hyperwrite.com/aspscripts/framer.asp?target=
features/flashproscons.htm
Questions?
Thank you!