Client Side scripting and server side scripting
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Client Side scripting and server side scripting

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Client Side scripting and server side scripting Client Side scripting and server side scripting Presentation Transcript

  • 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
  • Clientside scripting and Serverside scripting Jaseena A P jsnp65@gmail.com www.facebook.com/Jaseena Muhammed A P twitter.com/username in.linkedin.com/in/profilena me 9539443588
  • Scripting Languages  A scripting language is a programming language that supports the writing of scripts “A script is a program that automates the execution of tasks which could alternatively be executed one-by-one by a human operator”  Where to use scripts? Software applications(Python,Perl,Ruby etc) Web pages (Javascript,VB script,php etc)
  • FEATURES Ease of use: scripting languages are intended to be very fast to pick up Interpreted from source code: to give the fastest turnaround between the scripting phase and the execution phase
  • EXECUTION  Scripts are written and executed on-the-fly Without compiling Without linking  Differences with the software environment code Scripts are created and/or modified by the person who executes them Software code is compiled and distributed in machine code form; the user does not access to it and modify it  A script is used in order to extend application functionalities, or to execute simple tasks by using pre-existing components
  • 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.
  • SCRIPTING SCRIPTING CLIENT-SIDE SEVER-SIDE
  • SERVER SIDE SCRIPTING Server side scripting is used to create dynamic pages based a number of conditions when the users browser makes a request to the server The Web Server executes the server side scripting that produces the page to be sent to the browser.  Server executes server-side scripts to send out a page but it does not execute client-side scripts.
  • SERVER SIDE SCRIPTING Server side scripting is used to connect to the databases that reside on the web server. Server side scripting 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 because the scripts are processed on the remote computer.
  • SERVER SIDE SCRIPTING-advantages 1. It does not require the user to download plugins like Java or Flash (client-side scripting). 2. Your scripts are hidden from view. Users only see the HTML output, even when they view the source.
  • Disadvantages The scripts can be used by attackers to gain access to the server. Because the scripts respond to URL input, changing the URL to something that exploits a security hole can give the user server access, sometimes even as root.
  • 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.
  • CLIENT-SIDE SCRIPTING  The browser receives the page sent by the server and executes the client-side scripts.  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.
  • CLIENT-SIDE SCRIPTING  The files and settings that are local at the user’s computer can be accessed using Client side scripting.  Response from a client-side script is faster as compared to a server-side script because the scripts are processed on the local computer.  Examples of Client side scripting languages : Javascript, VB script, etc.
  • THANK YOU
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