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Certificate in  Web 2.0 Technology (Client Side) AJAX + XML & XSLT + JavaScript + JSON

AJAX
Ajax (also known as AJAX), shorthand for "Asynchronous JavaScript and XML" is a web development technique for creating interactive web applications. The intent is to make web pages feel more responsive by exchanging small amounts of data with the server behind the scenes, so that the entire web page does not have to be reloaded each time the user requests a change. This is intended to increase the web page's interactivity, speed, and usability.

XML & XSLT
XML (Extensible Markup Language) a flexible text format for creating structured computer documents. It is a general-purpose specification for creating custom markup languages. XML's purpose is to aid information systems in sharing structured data, especially via the Internet to encode documents, and to serialize data.

XML provides a basic syntax that can be used to share information between different kinds of computers, different applications, and different organizations without needing to pass through many layers of conversion. All major browsers like Google Chrome, opera, Firefox have support for XML and XSLT.

JavaScript & JSON
JavaScript is a popular scripting language that is widely supported in web browsers and other web tools.
    
A scripting programming language most commonly used to add interactive features to webpages.JavaScript can make web pages more animated and dynamic in terms of graphics and navigation. One of the most common graphic JavaScript effects is called a mouseover, and Javascript navigation is commonly created using drop-down menus. JavaScript is used in millions of Web pages to add functionality, validate forms, detect browsers, and much more.

AJAX XML & XSLT JavaScript & JSON

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Asynchronous JavaScript and XML (AJAX)

SALIENT FEATURES XHTML (or HTML) and CSS, for marking up and styling information. The DOM accessed with a client-side scripting language, especially ECMAScript implementations such as JavaScript and JScript, to dynamically display and interact with the information presented. The XMLHttpRequest object is used to exchange data asynchronously with the web server. In some Ajax frameworks and in certain situations, an IFrame object is used instead of the XMLHttpRequest object to exchange data with the web server, and in other implementations, dynamically added <script> tags may be used. XML is sometimes used as the format for transferring data between the server and client, although any format will work, including preformatted HTML, plain text, JSON and even EBML. These files may be created dynamically by some form of server-side scripting. APPLICATION standards-based presentation using XHTML and CSS; dynamic display and interaction using the Document Object Model; data interchange and manipulation using XML and XSLT; asynchronous data retrieval using XMLHttpRequest; and JavaScript binding everything together. and JavaScript binding everything together. TOPICS COVERED Introduction Welcome System Requirements Getting to know Ajax Downloading Data Behind the Scenes Modifying Web Pages on the Fly Searching in Real Time with Live Searches Getting the Answer With Autocomplete Dragging and Dropping HTML Elements With Ajax Writing Ajax Working With JavaScript in Browsers  Creating an XMLHttpRequest Object in JavaScript  Checking the XMLHttpRequest Object's readyState property  Checking the XMLHttpRequest Object's status property  Getting Your Data With the XMLHttpRequest Object  Problems creating an XMLHttpRequest Object  Fetching Text Data From the Browser  Decoding the Fetched Data    Selecting Relative or Absolute URLs  Getting XMLHttpRequest Objects in Other Ways  Using Server-Side Scripting  Storing Ajax Data in XML  Passing Data to the Server with GET  Passing Data to the Server with POST  Getting More Ajax Power Determining Which Browser the User Has Handling Head Requests for More Data Creating a Live Search Pt.1 Creating a Live Search Pt.2 Connecting to Google Suggest   Calling a Different Domain Safely Using Two XMLHttpRequest objects Handling Multiple XMLHttpRequest Requests  Returning JavaScript Objects From the Server Creating Ajax Applications Downloading Images Using Ajax Creating a Shopping Cart Handling Mouse Events Enabling Dragging Handling Drops Communicating With the Shopping Cart on the Server Creating an Ajax-driven Drop-down Menu System  Downloading Data with Drop-down Menu System  Displaying a Menu with a Drop-down Menu System Using XML With Ajax Understanding XML Loading XML into a Browser Object Navigating through XML Documents Using JavaScript Extracting data from text nodes Handling White Space in Mozilla and Firefox Accessing Attribute Values in XML Elements Accessing XML Elements by Name Validating XML You Get From the Server Validating XML With a DTD Using CSS With Ajax in Web Pages Introducing CSS Setting Styles Using an External Style Sheet Working with Text Styles Setting Colors and Backgrounds Getting Newly-displayed Text Noticed Showing Ajax Results Hiding Ajax Results Positioning Elements Positioning Elements: Absolute Positioning Positioning Elements: Relative Positioning Stacking Using PHP and Ajax Using PHP in Web Pages Understanding Basic PHP Syntax Working With Variables Working With Operators Working With Strings Working With Arrays Making Choices With the if Statement Using the switch Statemen Using for Loops in PHP Using while Loops in PHP   Sending Data to the Server Extracting Data from Checkboxes Extracting Data from Radio Buttons Extracting Data from Listboxes Uploading Files Reading Uploaded Files  Redirecting the Browser Doing It Right: Ajax Best Practices Handling the Back Button Remember - Google Can't See Your Ajax Content Watching Out for Browser Caching   Giving Visual Cues Wrap-up   XML & XSLT SALIENT FEATURES XML is designed to transport and store data. With XML You Invent Your Own Tags. XML Separates Data from HTML. XML Simplifies Platform Changes, Data Sharing and Data Transport. XML is Used to Create New Internet Languages like XHTML, WSDL, WAP and WML, RSS. APPLICATION XML's support for identity, storage and structure means it is possible to publish to the Web (as HTML) as well as to paper (as PDF) and to other formats (eg Braille, Audio, etc) from a single source document by using the appropriate stylesheets. XML is also very heavily used for enclosing or encapsulating information in order to pass it between different computing systems which would otherwise be unable to communicate. Weather services, e-commerce sites, blog newsfeeds, AJAX sites, and thousands of other data-exchange services use XML for data management and transmission, and the web browser for display and interaction. XML TOPICS COVERED XML Basics What is XML? A History of XML and SGML How are people using XML? XML Support in Web Browsers IE 5 Support Netscape 6 Support Browser XML Chart Server-side XML FIRST  XML DOCUMENT XML Example The Tree Structure of XML XML Tools Technology we use Non-validating Parsers Validating Parsers Translating DOM & SAX XML Syntax Differences between XML and HTML Differences between XML and HTML Common mistakes Quoting Attributes CAPITALIZATION Other Issues Required XML Elements XML Vocabulary XML Version 1 Resources XML Elements and Attributes What is an Element? What is an Attribute? When should you use Elements and Attributes? Using DTDs (Document Type Definitions) I What is a Document Type Definition? Declaring use of a DTD in your XML file Internal or External, or none? What is a Content Model? Using DTDs (Document Type Definitions) II Elements Attributes Entities Examples DTD: The Specifics ANY and EMPTY Aside: XML Schema XSLT TOPICS COVERED XSLT Basics eXtensible Stylesheet Language The Transformation Process An XSLT Stylesheet Output Types Elements and Attributes XPath XPath in XSLT XPath Expression Location Paths Node Test Axis Predicate Accessing Nodes Abbreviated Syntax Accessing Nodes with Abbreviated Syntax XPath Functions XPath Operators Using XPath Functions and Operators Flow Control Looping in XSLT Looping with xsl:for-each Sorting with XSLT Looping and Sorting Conditions with XSLT Conditionals Templates, Parameters and Variables xsl:apply-templates Using xsl:apply-templates xsl:call-template Passing Parameters Using xsl:call-template Removing Content Template Modes Template Priority XSLT Variables Multiple Documents Including XSLTs Importing XSLTs Conflict Resolution The document() Function Reusing Templates Working with Keys Key Basics Creating a Simple Key Improving Performance with Keys Improving Performance with Keys Grouping Grouping Songs By Artist Advanced Techniques Working with Numbered Lists Outputting Processing Instructions Copying Nodes Tying It All Together: XSLT Tying it all Together Transforming the Business Letter APPLICATION Transform XML schema to another schema.          A food retailer may represent an order based on one schema while the manufacturer may represent it with another. With XSLT, a customer order taken by the retailer can be transformed into an order that matches the manufacturer's requirements. Transform XML documents into HTML.         New Internet devices may not understand XML, but almost always will support HTML   XSLT transformations          Transform XML to HTML for devices such as handheld PCs, mobile phones, and TV set-top boxes   Transform XML documents into PDF.          Printers do not understand HTML, but almost always accept the Package Definition Format (PDF).          JavaScript & JSON      SALIENT FEATURES JavaScript was designed to add interactivity to HTML pages. JavaScript is a scripting language. A scripting language is a lightweight programming language. JavaScript is usually embedded directly into HTML pages. JavaScript is an interpreted language (means that scripts execute without preliminary compilation). Everyone can use JavaScript without purchasing a license APPLICATION Javascript is used for validation of  WEB FORM  input values to make sure that they will be accepted before they are submitted to the server. JavaScript      can put dynamic text into an HTML page . It can respond to user actions quickly, making an application feel more responsive. Furthermore, JavaScript code can detect user actions which HTML alone cannot, such as individual keystrokes. Applications such as GMail take advantage of this: much of the user-interface logic is written in JavaScript. The wider trend of  AJAX programming also exploits this strength.JavaScript can be used to detect the visitor's browser. TOPICS COVERED Javascript Basic Javascript Variables Javascript  Operators Javascript  Comparisons Javascript  IF..ELSE Javascript  Switch Javascript  PopUp Boxex Javascript  Functions Javascript  For Loop Javascript  While Loop Javascript   Break Loop Javascript  For..In Javascript  Events Javascript  Try..Catch JS Objects Javascript Objects intro Javascript  String Javascript  Comparisons Javascript  Date Javascript  Array Javascript  Boolean Javascript  Math Javascript  RegExp Javascript  HTML DOM Javascript ADVANCED Javascript   Browser Javascript  Cookies Javascript  Validation Javascript  Animation Javascript Image Maps Javascript Timing Pre-Requisite HTML C & C++ (Basics) Php & MySQL