Introduction to Web Programming
Writing an application for the Web is not as simple as writing an application or script that executes on a local machine. Web applications must obey the HTTP protocol, which, by design, is stateless and connectionless. This poses a problem for anything beyond simple programs that submit a form.
To understand the problem, consider the steps in running a normal piece of software from the Tiger desktop (this is a generic fictitious application):
1. | Double-click the application to display the Welcome screen. |
2. | Provide basic input into the application screen by typing or clicking. |
3. | The application provides feedback based on your input. |
4. | Repeat steps 2 and 3 as necessary. |
5. | Choose Quit from the application menu. |
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