Client & server side scripting

2. AbdulRaouf N
Arn.raouf@gmail.com
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Typingspeed:28wpm
CLIENT SIDE & SERVER SIDE
SCRIPTING

3. Disclaimer: This presentation is prepared by trainees of
baabtra as a part of mentoring program. This is not official
document of baabtra –Mentoring Partner
Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt . Ltd

4. SCRIPTING LANGUAGES
• A scripting language is a programming language that
supports the writing of scripts
• Can create dynamic web page
Change based on user input
• For a web pages, they are instructions either to the
web browser or to the web server.

5. ADVANTAGES OF SCRIPTING
 Easy to learn and use
 Minimum programming knowledge or experience
required
 Allow complex tasks to be performed in relatively few
steps
 Allow simple creation and editing in a variety of text
editors
 Allow the addition of dynamic and interactive activities
to web pages
 Editing and running code is fast.

6. TYPES OF SCRIPTING
LANGUAGE
Client-side scripting language
Server-side scripting language

7. CLIENT SIDE SCRIPTING
• Client side scripting is used when the users browser already
has all the code and the page is altered on the basis of the
users input.
• The Web Browser executes the client side scripting that
resides at the user’s computer.
• Does not involve server processing
• Complete application is downloaded to the client browser
• Client browser executes it locally
• Are normally used to add functionality to web pages

8. CLIENT SIDE SCRIPTING
• Client side scripting cannot be used to connect to
the databases on the web server.
• Client side scripting can’t access the file system that
resides at the web server.
Examples of Client side scripting languages :
JavaScript ActionScript
Dart VBScript
Typescript

9. THE PROCESS WITH CLIENT-SIDE
SCRIPTING

10. ADVANTAGES AND DISADVANTAGES
Advantages
Allow for more interactivity by immediately responding to
users' actions.
Execute quickly because they don't require a trip to the server.
Can give developers more control over the look and behavior of
their Web widgets.
Disadvantages
Not all browsers support scripts, therefore, users might
experience errors if no alternatives have been provided.
Different browsers and browser versions support scripts
differently, thus more quality assurance testing is required.

11. SERVER SIDE SCRIPTING
• Can use huge resources of the server
• Complete all processing in the server and send plain pages to
the client
• Reduces client-side computation overhead
• The server is where the Web page and other content lives.
• The server sends pages to the user/client on request.
• Examples of Server side scripting languages :
PHP ASP
Perl Ruby

12. WHAT CAN SERVER SCRIPTS DO?
 Dynamically edit, change or add any content to a Web page.
 Respond to user queries or data submitted from HTML forms.
 Access any data or databases and return the result to a browser.
 Provide security since your server code cannot be viewed from a
browser.

13. THE PROCESS WITH SERVER-SIDE SCRIPTING

14. ADVANTAGES AND DISADVANTAGES
Advantages
It reduces the load on the user’s computer, as it does not
require plug-ins or browser scripting technology.
You can use it to dynamically create pages on the fly. New
pages can even be instantly created based on certain user
interaction.
Disadvantages
It requires the scripting software to be installed on the server.
Many scripts and CMS tools require databases in order to
store dynamic data.

15. COMPARISON
Client side scripting
• Used when the users browser
already has all the code
• The Web Browser executes the
client side scripting
• Cannot be used to connect to
the databases on the web
server
• Can’t access the file system
that resides at the web server
• Response from a client-side
script is faster as compared to
a server-side script
Server side scripting
• Used to create dynamic pages
• The Web Server executes the
server side scripting
• Used to connect to the
databases that reside on the
web server
• Can access the file system
residing at the web server
• Response from a server-side
script is slower as compared to
a client-side script

16. THE COMBINATION
Many websites use both types of scripting:
 server-side handles logging in, personal information
and preferences and provides the specific data which
the user wants (and allows new data to be stored)
 client-side makes the page interactive, displaying or
sorting data.

17. THANK YOU...

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