June 2006
Intermediate to advanced
655 pages
18h 26m
English
Content preview from Ajax Design Patterns
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Chapter 12. Code Generation and Reuse
THERE ARE TWO GENERAL PROGRAMMING PATTERNS IN THIS CHAPTER. SERVER-SIDE CODE GENERATION IS one technique people are using to avoid working directly with HTML and JavaScript. Cross-Browser Component is a component that’s been developed for portability across the major browsers.
Server-Side Code Generation
⊙⊙ AutoGenerated, CodeGen, Framework, Library
Figure 12-1. Server-Side Code Generation
Developer Story
Dave’s creating a web app with a trendy new server-side framework, ZeroWeb. The framework lets him write everything in Java as if he’s writing a standalone GUI application. It’s capable of using that code to generate a conventional edition of the application, An Ajax edition, a desktop edition, and—for an extra $99.95—a smartphone app too.
Problem
How do you avoid using HTML and JavaScript?
Forces
HTML and JavaScript are the only code recognized by standard browser—any Ajax App must be represented in a combination of these formats.
Ajax is increasing the complexity of HTML and JavaScript. Whereas JavaScript was previously used for simple tasks like navigation support or form validation, it’s now driving the interaction in many applications.
Most Ajax Apps also have a substantial backend, which is rarely implemented in JavaScript.
It’s difficult to completely separate the roles of browser-side developer and server-side developer. In fact, it’s often more ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.