ajax-rss

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Slide 1: 

Topics : AJAX RSS

What is AJAX? : 

What is AJAX? AJAX stands for Asynchronous JAVA SCRIPT & XML. Asynchronous JavaScript and XML (AJAX) is not a technology in itself, but is a term that describes a “new approach to using a number of existing technologies together, including: HTML or XHTML,JAVA SCRIPT, XML , and the XMLHTTPRequst Object.”

Before we continue with “Ajax” we should have the basic knowledgeof………… : 

Before we continue with “Ajax” we should have the basic knowledgeof………… JAVASCRIPT JAVASCRIPT is a web scripting language to combine the scripting with HTML to create interactive Web Pages. It was originally called LIVE SCRIPT. XML XML stands for Extensible Markup Language. XML is a software & hardware independent tool for carrying information.

AJAX uses http requests….. : 

AJAX uses http requests…..

AJAX - Browser Support : 

AJAX - Browser Support ENTERNET EXPLORER FLOCK MOZILLA FIREFOX SAFARI OPERA NETSCAPE NAVIGATOR

Slide 7: 

Working ….

Advantages : 

Advantages Better internet application. Requests only the content that needs to be updated. Respond quickly to inputs. Pages can be reloaded individually. Reduces connections to the server.

Disadvantages : 

Disadvantages Dynamically created pages do not register with the browser’s history engine. Difficult to bookmark a particular state of the application. There is no alternative means of accessing the content on behalf of JAVA SCRIPT. The SAME ORIGIN POLICY prevents AJAX from being used across domains.

Ajax is based on following WEB STANDARDS…. : 

Ajax is based on following WEB STANDARDS…. XML HTML JAVASCRIPT CSS

What is RSS ? : 

What is RSS ? RSS stands for Really Simple Syndication. RSS is a method that uses XML to distribute web content on one web site, to many other web sites. RSS is written in XML.

Before we continue with “RSS” we should have the basic knowledge of………… : 

Before we continue with “RSS” we should have the basic knowledge of………… HTML HTML stands for HYPER TEXT MARKUP LANGUAGE. It is used for creating web pages. For uniform presentation of different formats, HTML is proved as an important interface language. XML XML stands for EXTENSIBLE MARKUP LANGUAGE. XML is a software & hardware independent tool for carrying information.

Slide 15: 

Before and After the arrival of RSS

Slide 16: 

RSS messages: How it works ?

Example of RSS…... : 

Example of RSS…...

Uses of RSS... : 

Uses of RSS... RSS was designed to show selected data. check your site faster using an RSS aggregator . RSS data is small and fast-loading, it can easily be used with services like cell phones or PDA's.

Who should useRSS ? : 

Who should useRSS ? News sites - Lists news with title, date and descriptions. Companies - Lists news and new products. Calendars - Lists upcoming events and important days. Site changes - Lists changed pages or new pages.