Ajax API Essentials

Overview/Description
This course will explore the various technologies that are employed in Ajax applications. It will begin by examining the important role that XML and CSS play in developing Ajax applications that interact with data sent from the server. Then it will discuss common troubleshooting issues that may arise in Ajax applications. Finally, it will explore how web services and APIs can work together to add complex degrees of functionality to an application with minimal effort. This course is one of a series providing an introduction to Ajax development.

Target Audience
Developers who are experienced in building Internet applications and who want to become skilled in the use of Ajax to add seamless interactivity to their web applications

Prerequisites
A good knowledge of HTML, JavaScript, basic programming concepts, and general Internet development; programming experience would be an advantage

Expected Duration (hours)
2.0

Lesson Objectives

Ajax API Essentials

use the XMLHttpRequest object to retrieve an XML document from a server

extract element and attribute values from an XML document and add them to a page

use CSS with Ajax to apply a style dynamically

handle errors in JavaScript

use DOM inspectors

use Ajax troubleshooting tools

work with XML in Ajax applications

use Ajax troubleshooting tools

recognize key characteristics of web services

consume a web service in Ajax via an application proxy

consume a web service in Ajax using the script tag hack

create an application to use an API

create a mashup

call a web service from an Ajax application

use APIs to create a mashup