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Dynamic Web Pages Jin Wu INF 385E Information Architecture
School of Information 11/2/2006
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Overview Background Java Script (definition, usage, application, pros & cons) Flash (definition, usage, application, pros & cons) Conclusion Resources & References Questions
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Background Definition (custom content based)
Invented and patented in 1994 Client-side dynamic content (user’s computer) Server-side dynamic content (server)
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JavaScript
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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
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What is JavaScript? Scripting language
Consists of executable computer code Embedded directly into HTML code Adds interactivity to HTML pages Everyone can use
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JavaScript Usage 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
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JavaScript Application
JavaScript Alert JavaScript MouseOver Effect JavaScript Cookie JavaScript Pull Down Menu JavaScript Automatic Pop-up window … …
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Sample Script
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Pros Cons Security Speed Reliance on Simplicity end user. Versatility
Server load Security Reliance on end user.
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Flash
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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 …
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What is Flash? Multimedia graphic program
Create interactive animation on the Web Use vector graphics Easy to learn
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Flash Application Flash Website Flash Navigation Photo Gallery
Flash Game Flash Advertisement … …
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Embedded with HTM
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Pros Catchy Widely used.
Supports audio, animation and advanced interactivity Integrates well with other Web technologies No programming skill required
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Cons Increases file size Usability Constrains Search engine constrains
Encourages design abuse Distracts from a site’s core values
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Conclusion 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.
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Resources JavaScript Tutorial http://www.w3schools.com/js/default.asp
JavaScript Example Flash Tutorial Flash Example
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References http://www.answers.com/topic/dynamic-web-page
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Questions?
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Thank you!
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