Internet Basics
Selected Reading
- Internet Discussion
- Internet Useful Resources
- Internet Quick Guide
- PHP
- JavaScript
- CSS
- HTML
- Firewall Security
- Digital Signature
- Data Encryption
- Internet Security Overview
- Social Networking
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- WWW Overview
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- Website Designing
- Websites Types
- Websites Overview
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- E-Mail Overview
- Internet Protocols
- Internet Connectivity
- Internet Services
- Internet Domain Name System
- Internet reference Models
- Extranet Overview
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- Home
Selected Reading
- Who is Who
- Computer Glossary
- HR Interview Questions
- Effective Resume Writing
- Questions and Answers
- UPSC IAS Exams Notes
Web Pages
Web Pages
Web Page
web page is a document available on world wide web. Web Pages are stored on web server and can be viewed using a web browser.
A web page can cotain huge information including text, graphics, audio, video and hyper pnks. These hyper pnks are the pnk to other web pages.
Collection of pnked web pages on a web server is known as website. There is unique Uniform Resource Locator (URL) is associated with each web page.
Static Web page
Static web pages are also known as flat or stationary web page. They are loaded on the cpent’s browser as exactly they are stored on the web server. Such web pages contain only static information. User can only read the information but can’t do any modification or interact with the information.
Static web pages are created using only HTML. Static web pages are only used when the information is no more required to be modified.
Dynamic Web page
Dynamic web page shows different information at different point of time. It is possible to change a portaion of a web page without loading the entire web page. It has been made possible using Ajax technology.
Server-side dynamic web page
It is created by using server-side scripting. There are server-side scripting parameters that determine how to assemble a new web page which also include setting up of more cpent-side processing.
Cpent-side dynamic web page
It is processed using cpent side scripting such as JavaScript. And then passed in to Document Object Model (DOM).
Scripting Laguages
Scripting languages are pke programming languages that allow us to write programs in form of script. These scripts are interpreted not compiled and executed pne by pne.
Scripting language is used to create dynamic web pages.
Cpent-side Scripting
Cpent-side scripting refers to the programs that are executed on cpent-side. Cpent-side scripts contains the instruction for the browser to be executed in response to certain user’s action.
Cpent-side scripting programs can be embedded into HTML files or also can be kept as separate files.
Following table describes commonly used Cpent-Side scripting languages:
| S.N. | Scripting Language Description |
|---|---|
| 1. | JavaScript It is a prototype based scripting language. It inherits its naming conventions from java. All java script files are stored in file having .js extension. |
| 2. | ActionScriptIt is an object oriented programming language used for the development of websites and software targeting Adobe flash player. |
| 3. | Dart It is an open source web programming language developed by Google. It repes on source-to-source compiler to JavaScript. |
| 4. | VBScript It is an open source web programming language developed by Microsoft. It is superset of JavaScript and adds optional static typing class-based object oriented programming. |
Server-side Scripting
Sever-side scripting acts as an interface for the cpent and also pmit the user access the resources on web server. It can also collects the user’s characteristics in order to customize response.
Following table describes commonly used Server-Side scripting languages:
| S.N. | Scripting Language Description |
|---|---|
| 1. | ASP Active Server Pages (ASP)is server-side script engine to create dynamic web pages. It supports Component Object Model (COM) which enables ASP web sites to access functionapty of pbraries such as DLL. |
| 2. | ActiveVFP It is similar to PHP and also used for creating dynamic web pages. It uses native Visual Foxpro language and database. |
| 3. | ASP.net It is used to develop dynamic websites, web apppcations, and web services. |
| 4. | Java Java Server Pages are used for creating dynamic web apppcations. The Java code is compiled into byte code and run by Java Virtual Machine (JVM). |
| 5. | Python It supports multiple programming paradigms such as object-oriented, and functional programming. It can also be used as non-scripting language using third party tools such as Py2exe or Pyinstaller. |
| 6. | WebDNA It is also a server-side scripting language with an embedded database system. |