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Javascript Javascript by yaofenji

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									Javascript

Justin Bright
Department of Computer Science
COSC 231 Final Project
Eastern Michigan University
December, 2004
       Introduction - Key Topics


   What is Javascript?
   What can Javascript do?
   Dangers of Viruses/Malicious Code
   Various uses of Javascript
             What is Javascript?

   Scripting Language
       HTML embedding
   Java vs. Javascript
       Compiled/Interpreted
       No experience necessary
       Cut/Paste scripts
                        Be Aware

   Viruses
       Never been implemented via script/applet
   Malicious Code
       System Warning pop-ups (Personal Example)
            Many pop-ups inundating the user
       System Overload
            Open thousands of windows to crash user
       Precautions
               It Slices, It Dices

   Novice uses
       Clocks, Counters (Cut/Paste)
   Intermediate uses
       Mouse-over
   Expert uses
       Shopping sites (msn.com)
       Games (i.e. video poker)
A sample use of Javascript: A Poker game I was losing
      Javascript – In Summation

   Incredibly versatile scripting language
   Works well with HTML
   Easy to use, free to obtain
   Powerful capabilities
   Common sense can help avoid dangers
Contact Information
   Justin Bright
   Department of Computer Science
   COSC 231
   Eastern Michigan University
   E-mail: jbright@emich.edu
   Image Acknowledgement:
       Poker game image:
        http://javascript.internet.com/games/video-
        poker.html

								
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