Training Developing Ajax Web 2.0 Applications – 4 days

Class overview :

Modern Web sites must be intuitive to use, accessible to all users, and have responsive applications that promote a fluid, uninterrupted workflow. Ajax is a powerful tool for creating interactive Web applications that meet these requirements.


Class goals :

  • Develop powerful, easy-to-use Web 2.0 sites using Ajax techniques
  • Construct robust user interfaces that are compelling, intuitive and accessible
  • Create effective, dynamic content for integration with your Web applications
  • Enhance application functionality with the JQuery, Prototype and Dojo libraries
  • Apply best practices to create standards-compliant, robust Web applications
  • Enhance the security of Ajax-based Web applications

Content of Developing Ajax Web 2.0 Applications

Exploring Ajax Fundamentals

Identifying core Ajax/Web 2.0 components

  • XML
  • JavaScript
  • CSS
  • DOM
  • JSON
  • Exchanging information using the XMLHttpRequest object

Building rich, interactive Web applications

  • Measuring the business benefits of Ajax
  • Improving data exchange efficiency
  • Streamlining data entry and presentation

Applying Client-Side Ajax Techniques

Implementing Ajax communication approaches

  • Exchanging data with the server using XHR
  • Selecting GET or POST methods
  • Processing the server response
  • Handling communication errors

Development and debugging methods

  • Monitoring communications
  • Utilizing browser tools

Developing Dynamic Content

Exploiting the power of DOM

  • Accessing page elements
  • Modifying HTML content
  • Avoiding memory leaks
  • Searching and manipulating XML with DOM

Enhancing the user experience

  • Latency and feedback
  • Ensuring up-to-date data with cache defeat
  • Compressing for optimal download speed

Leveraging Third-Party Libraries

Optimizing functionality

  • Tapping into the power of client libraries
  • Extending standard objects
  • Decreasing time-to-market with code-reuse
  • Defining and configuring JavaScript objects with JSON

Exploiting third-party libraries

  • Assessing the benefits of JavaScript library code
  • Utilizing the library selection criteria
  • Introducing JQuery, Prototype and Dojo

Simplifying page logic

  • Streamlining page content manipulation
  • Reacting to the user with event handling
  • Cleaning up HTML with unobtrusive JavaScript
  • Encapsulating Ajax requests

Making the User Interface Accessible

Meeting accessibility standards

  • Architecting for progressive enhancement and graceful degradation
  • Complying with W3C and statutory guidelines

Improving ease of use

  • Resolving back button limitations
  • Adding bookmarking capabilities

Managing Security and Validation

Reducing security threats

  • Analyzing the XHR security model
  • Preventing theft of JSON data

Validating user input

  • Checking form data
  • Addressing the limitations of client-side validation

On-Demand JavaScript Capabilities

Hiding complexity

  • Dynamically injecting script blocks
  • Creating self-contained JavaScript libraries

Constructing cross-domain requests

  • Making use of the <script> tag to access JSON data from a second site
  • Integrating cross-domain RSS with a server-side proxy

Maximizing Toolkits for Rich User Interfaces

Taking advantage of code libraries

  • Adding a graphical calendar control
  • Enabling drag and drop
  • Marrying data and presentation through in-line editing
  • Exploiting special effects for the « wow » factor

Developing a rich user interface

  • Populating forms with dynamic requests
  • Assisting the user with autosuggest
  • Supercharging data forms with rich text editors

Onze voordelen :

  • Type of training: Inter-company, intra-company and individual
  • 100% flexible & personalised training : You choose the place, the dates and the training program
  • Offer request : Response within 24 hours
  • 50% discount for SME’s from Brussels-Capital Region
  • Free parking, lunch & drinks
  • Free use of our Digital Competence Centre: Manuals, courses, exercises, …


Rue Beeckmans, 53
1180 Bruxelles

Tel : +32 2 412 04 10
Fax : +32 2 412 04 19
Gsm : +32 485 212 722
Email :


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