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JavaScript EE, Part 1: Run JavaScript files on the server side
Combine JavaScript with Java code on the server to get the freedom to use the same JavaScript routines on both servers and clients. In addition, the techniques presented throughout this series will allow you to maintain a single code base for both Ajax and non-Ajax clients. Because much of the server-side code would still be written in the Java language, you'll find it necessary to expose the Java Platform, Enterprise Edition (Java EE) features to JavaScript. In this series, learn how to run JavaScript files on the server side, call remote JavaScript functions with Ajax, and use the Java Scripting API with the JavaServer Pages (JSP) technology. 		Articles 16 Dec 2008  
 
JavaScript EE, Part 3: Use Java scripting API with JSP
In the previous two parts of this series, you've seen how to run JavaScript files on the server and how to call remote JavaScript functions with Ajax. This article explains how to use server-side JavaScript code with the JavaServer Pages (JSP) technology and how to build Asynchronous JavaScript and XML (Ajax) user interfaces that remain functional when JavaScript is disabled in the Web browser. The sample code consists of a small JSP tag library that you can reuse in your own applications as well as a dynamic Web form, which is generated with a piece of JavaScript code that can be executed on the Web server or in the Web browser. 		Articles 02 Jun 2009  
 
JavaScript EE, Part 2: Call remote JavaScript functions with Ajax
In Part 1 of this series, you learned how to use the javax.script API in Asynchronous JavaScript and XML (Ajax) and Java Platform, Enterprise Edition (Java EE) applications and how to build a Java servlet that lets you run server-side JavaScript files. This article shows how to implement a Remote Procedure Call (RPC) mechanism for Web applications that use JavaScript on both servers and clients. You'll also learn several interesting techniques, such as implementing Java interfaces with JavaScript, building an XMLHttpRequest wrapper, making Ajax debugging easier, and using JSP tag files to generate JavaScript code. 		Articles 31 Mar 2009  
 
Automatically update a Web page with dynamic elements
You may know how to hide and display optional JavaServer Faces (JSF) components by using JavaScript and Cascading Style Sheets (CSS) in standard JSF components. To do this, you would first need to identify all JSF components and write them into JSF pages. But, that is impossible to do when you are developing a Web page that contains dynamic elements that are unknown until run time. With this article, learn how you can clear old UI components while automatically updating the dynamic elements of a Web page, as well as how to use Java code to add new elements and put them into their proper spot on a Web page. You'll also learn how to bind different event handlers to different dynamic elements of a Web page, how to register a listener listening to changes of server-side data to invoke a page refresh, and how to use Asynchronous JavaScript and XML (Ajax) techniques to refresh only the dynamic parts of the Web page. 		Articles 13 Oct 2009  
 
End-to-end Ajax application development, Part 2: Implement the Ajax client and server tiers
Ajax (Asynchronous JavaScript + XML) is quickly emerging as a modern way of bringing desktop quality software features to Web applications running on browser platforms. This article is second of a three-part series where you can continue learning about developing an end-to-end Ajax application using technologies available from the open-source community. 		Articles 19 Jun 2007  
 
Devise Web 2.0 applications with PHP and DHTML, Part 2: Use JavaScript to create HTML elements on the fly
Part 1 of this "Devise Web 2.0 applications with PHP and DHTML" series discusses how to build PHP applications with user interface elements like tabs, spinners, and pop-ups using JavaScript, Cascading Style Sheets (CSS), and HTML. Part 2 extends the lesson to include graphing techniques that use JavaScript to create new HTML elements on the fly. 		Articles 09 May 2006  
 
Develop Ajax applications like the pros, Part 1: Using the Prototype JavaScript library and script.aculo.us
If you're developing Web applications these days, then you're doing Ajax development. Ajax is no longer something unusual that you add to your applications in special cases. It has become an integral part of Web development. To some, enhancing applications with Ajax used to be a tricky proposition. Cross-browser limitations to deal with, writing a lot of complicated JavaScript, and learning about magic numeric codes within that JavaScript were just a few of the challenges facing Ajax developers. Thankfully, several open source JavaScript libraries are available now to make things much easier. In this first article in a three-part series, you will create an Ajax application for managing songs using the Prototype JavaScript library and script.aculo.us. 		Articles 13 May 2008  
 
Create an Ajax mindreader application with E4X and Prototype, Part 1: Build the Twenty Questions infrastructure
XML seems like a natural format for passing Ajax data. However, to work with XML in JavaScript using the Document Object Model (DOM) is not always the best way to handle this kind of data. This has given rise to other choices, such as JSON, which provide a more object-like feel for developers. Now ECMAScript for XML (E4X) combines many of the best features of the DOM with extremely easy data binding to provide a more straightforward way to deal with XML in the browser. In this two-part article series, you'll learn to use both E4X and the Prototype JavaScript library to create a simple Ajax mindreader application that plays Twenty Questions and learns about new objects as it goes along. Part 1 shows you how to create a system that takes an existing knowledge base and analyzes it to determine what the user may be thinking. 		Articles 12 Feb 2008  
 
Craft Ajax applications using JSF with CSS and JavaScript, Part 1: Enhance the appearance of your JSF pages
Typical Web applications require the use of Cascading Style Sheets (CSS) and JavaScript, together with a server-side framework, such as JavaServer Faces (JSF). CSS lets you change the visual characteristics of Web components within Ajax and other applications so they can have a pleasant and distinctive look. In the first installment of this two-part series, find out how to use the CSS-related attributes of standard JSF components. In addition, learn how to create a custom JSF component that sets the default styles of nested components, making it very easy to ensure a consistent look for all pages of your Web application. You can also use this technique to programmatically set other component attributes, as you'll see in Part 2, which will show how to make JSF forms more dynamic using JavaScript. 		Articles 29 Jan 2008  
 
Auto-save JSF forms with Ajax: Part 3
In the first article of this series, author and Java developer Andrei Cioroianu showed how to submit the user input of a Web form with Asynchronous JavaScript + XML (Ajax) and how to handle the Ajax requests with JavaServer Faces (JSF). In the second article of the series, Andrei discussed data management on the server side and presented a data repository for keeping the auto-saved form data. In this final installment of the three-part series, you'll find out how to restore the data of a JSF form, which is trickier than you might think. You will learn interesting JSF techniques, such as using the immediate and onclick attributes of JSF components, skipping some of the phases of the JSF request processing life cycle, and using hidden form elements to trigger JSF listeners. You will also learn how to include JSP/JSF expressions within the JavaScript code, how to use JavaScript with the HTML form elements generated by the renderers of the JSF components, and how to implement a servlet context listener for serializing and deserializing application beans. 		Articles 09 Oct 2007  
 
Auto-save JSF forms with Ajax: Part 2
In the first part of this "Auto-save JSF forms with Ajax" series, author and Java developer Andrei Cioroianu showed you how to build Java applications that automatically save Web forms, using Asynchronous JavaScript + XML (Ajax) and JavaServer Faces (JSF) technologies. You learned how to obtain, encode, and submit form data with JavaScript and XMLHttpRequest, how to adapt the JSF request processing life cycle for handling Ajax requests, and how to get the submitted data from the JSF component tree on the server side. In this second installment of the three-part series, you will see how to identify anonymous users across browser sessions, how to manage the auto-saved form data for multiple users and pages, how to choose a data repository, and how to deal with thread-safety issues. 		Articles 18 Sep 2007  
 
End-to-end Ajax application development, Part 3: Integrate, test, and debug the application
Ajax (Asynchronous JavaScript + XML) is quickly emerging as a modern way of bringing desktop quality software features to Web applications running on browser platforms. This article is the last of a three-part series where you can complete the development of an end-to-end Ajax application using technologies available from the open source community. 		Articles 19 Jul 2007  
 
End-to-end Ajax application development, Part 1: Set up an Ajax environment with a scenario
Ajax (Asynchronous JavaScript + XML) is quickly emerging as a modern way of bringing desktop-quality software features to Web applications running on browsers. Open source software such as Linux-Apache-MySQL-PHP (LAMP) and open standards-based J2EE middleware, such as WebSphere Application Server Community Edition, provide excellent capabilities to develop and deploy Ajax Web applications. This article is the first of a three-part series about developing an end-to-end Ajax application using an open source middleware stack. If you're a novice Web developer who can read and understand the code written in XHTML, CSS, JavaScript, PHP, and SQL, then this article is for you. After you're done, you will have a good understanding of the basic concepts of Ajax and its potential in the context of a three-tier Web application scenario. 		Articles 05 Jun 2007  
 
Create a photo album application with Project Zero and REST design principles
One of the main goals of Project Zero is to simplify the creation of rich Internet applications (RIAs). The Flickr photo sharing service is an excellent example of such an application. Designed using REST principles, Asynchronous JavaScript + XML (Ajax) techniques, and dynamic scripting languages, Flickr provides a service that is not only user friendly, but also scalable and extensible. Because Flickr has many of the qualities that authors of other RIAs are striving for, recreating this type of application with Zero would be an excellent way to validate Zero as an RIA platform. In this article, see how to combine existing Zero components to create a photo sharing service that can support many of the same functions provided by Flickr today. Along the way, you'll learn more about RESTful design, connecting components via HTTP, and the use of JavaScript to provide a function that isn't already part of Zero. 		Articles 16 Oct 2007  
 
High-performance Web development with Google Web Toolkit and Eclipse Galileo
By now, you have probably heard of Google Web Toolkit (GWT). You know that it lets you write your Web applications in the Java programming language that is compiled into JavaScript to run in Web browsers. This lets you be more productive by taking advantage of Java's static typing and great tools like Eclipse. You have may seen some of the useful and stylish widgets built on top of GWT. What you may not know is that GWT lets you create high-performance Web applications. In this article, we look at how you can use the Google Plug-in with Eclipse Galileo to tap into the performance features of GWT, such as compiler optimizations, deferred binding, and Ajax optimizations. Developer performance is still an important part of GWT, so along the way, we will also show you how tweak the Google Plug-in for Eclipse to increase your productivity. 		Articles 20 Oct 2009  
 
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