AJAX Introduction
Starting dates and places
Description
Prerequisites:
Advanced knowledge and experience of JavaScript and HTML is not essential, although some basic understanding of these languages is assumed.Course Description:
This three-day course provides comprehensive tuition in implementing AJAX-based functionality in web application development, and goes beyond technology essentials, to take in user interface, cross-browser and concurrency issues, as well as progressive applications of the approach, and the implications these carry.
On Completion
This course gives a thorough grounding in implementing AJAX-based functionality, and goes beyond technology essentials, to take in user-interface design, cross-browser considerations, and concurrency…
Frequently asked questions
There are no frequently asked questions yet. If you have any more questions or need help, contact our customer service.
Prerequisites:
Advanced knowledge and experience of JavaScript and HTML is not essential, although some basic understanding of these languages is assumed.Course Description:
This three-day course provides comprehensive tuition in implementing AJAX-based functionality in web application development, and goes beyond technology essentials, to take in user interface, cross-browser and concurrency issues, as well as progressive applications of the approach, and the implications these carry.
On Completion
This course gives a thorough grounding in implementing AJAX-based functionality, and goes beyond technology essentials, to take in user-interface design, cross-browser considerations, and concurrency issues. As well as the use of XMLHTTPRequest, it covers on-demand JavaScript, dynamic style-sheet loading, and the gamut of encoding formats such as XML and JSON.
This course includes the following modules:
Essential and Advanced JavaScript
- Classes, methods and polymorphism
- Built-in classes, objects and methods
- Exception handling and exception classes
- X(HT)ML Document Object Models
XMLHTTPRequest Basics
- XHR object instantiation
- Cross-browser coding
- Sending and receiving data
- (A)Synchronous considerations
Encoding Data
- Plain text
- X(HT)ML and SOAP
- JSON (JavaScript Object Notation)
- Using binary formats
XMLHTTPRequest Alternatives
- Dynamic style-sheet loading
- On-demand JavaScript
Hyper-Text Transport Protocol
- HTTP headers and methods
- Server responses
- URL and last-modified detection
Application Design and Implementation
- Concurrency and thread safety
- Guarding against race conditions
- Caching considerations
- Managing latency, timeouts and exceptions
Advanced Techniques
- Transparent and 'eager' script loading
- Emulating frames
- Interactive forms
- Logging client-side run-time errors
- Gathering browsing-pattern statistics
- Combining heterogenous feeds
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