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Web Development with JavaScript and Ajax Illuminated by Allen

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CHAPTER

1

Ajax Defined

Chapter Objectives

• Give a brief history of the Internet

• Describe basic web architecture, including URLs and HTTP

• Discuss how user interaction on the Web has evolved

• Discuss what Ajax is and how it is important

You may not yet know exactly what Ajax is or the technologies involved, but you have probably already used websites that are built on Ajax. Many of the most popular sites on the Internet use Ajax, including Google Maps (http://maps.google.com), Yahoo! (http://www.yahoo.com), Facebook (http://www.facebook.com), Flickr (http://flickr.com), and Amazon.com's A9 search engine (http://a9.com). The Internet has undergone tremendous change from its beginnings as a means for scientists to exchange research documents ...

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