There are hundreds of reasons why people develop Websites. The categories above just try to scratch the surface of what's out there. Some of these sites are worth seeing some are not. I suppose that is a judgment call on the part of the person surfing The Web.
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Wednesday, March 16, 2011
Uses of Websites
There are hundreds of reasons why people develop Websites. The categories above just try to scratch the surface of what's out there. Some of these sites are worth seeing some are not. I suppose that is a judgment call on the part of the person surfing The Web.
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Which technologies are used for creating UI web pagesext
ui?
User interfaces are considered by some authors to be a prime ingredient of Computer user satisfaction.
The design of a user interface affects the amount of effort the user must expend to provide input for the system and to interpret the output of the system, and how much effort it takes to learn how to do this. Usability is the degree to which the design of a particular user interface takes into account the human psychology and physiology of the users, and makes the process of using the system effective, efficient and satisfying.
Usability is mainly a characteristic of the user interface, but is also associated with the functionalities of the product and the process to design it. It describes how well a product can be used for its intended purpose by its target users with efficiency, effectiveness, and satisfaction, also taking into account the requirements from its context of use.
[edit]
Two types of dynamic web sites
[edit]Client-side scripting and content creation
Server-side scripting and content creation
which one do you need?
Thanks......
Whats the difference between Client-side scripting and content creation
Client-side scripting and content creation
Using client-side scripting to change interface behaviors within a specific web page, in response to mouse or keyboard actions or at specified timing events. In this case the dynamic behavior occurs within the presentation.
Such web pages use presentation technology called rich interfaced pages. Client-side scripting languages like JavaScript or ActionScript, used for Dynamic HTML (DHTML) and Flash technologies respectively, are frequently used to orchestrate media types (sound, animations, changing text, etc.) of the presentation. The scripting also allows use of remote scripting, a technique by which the DHTML page requests additional information from a server, using a hidden Frame, XMLHttpRequests, or a Web service.
The Client-side content is generated on the user's computer. The web browser retrieves a page from the server, then processes the code embedded in the page (often written in JavaScript) and displays the retrieved page's content to the user.
The innerHTML property (or write command) can illustrate the client-side dynamic page generation: two distinct pages, A and B, can be regenerated as document.innerHTML = A and document.innerHTML = B; or "on load dynamic" by document.write(A) and document.write(B).
There are also some utilities and frameworks for converting HTML files into JavaScript files. For example webJS[1] uses innerHTML property for rendering pages from converted HTML on client-side.
The first "widespread used" version of JavaScript was 1996 (with Netscape 3 an ECMAscript standard).
Server-side scripting and content creation
A program running on the web server (server-side scripting) is used to change the web content on various web pages, or to adjust the sequence of or reload of the web pages. Server responses may be determined by such conditions as data in a posted HTML form, parameters in the URL, the type of browser being used, the passage of time, or a database or server state.
Such web pages are often created with the help of server-side languages such as PHP, Perl, ASP, ASP.NET, JSP, ColdFusion and other languages. These server-side languages typically use the Common Gateway Interface (CGI) to produce dynamic web pages. These kinds of pages can also use, on the client-side, the first kind (DHTML, etc.).
Server-side dynamic content is more complicated: (1) The client sends the server the request. (2) The server receives the request and processes the server-side script such as [PHP] based on the query string, HTTP POST data, cookies, etc.
The dynamic page generation was made possible by the Common Gateway Interface, stable in 1993. Then Server Side Includes pointed a more direct way to deal with server-side scripts, at the web servers.
[edit]Combining client and server side
Ajax is a web development technique for dynamically interchanging content with the server-side, without reloading the web page. Google Maps is an example of a web application that uses Ajax techniques and database.
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