PNews jun 2015 | Page 2

Tutorials Point, Simply Easy Learning have excellent support for HTML5. New Features: HTML5 introduces a number of new elements and attributes that helps in building a modern websites. Following are great features introduced in HTML5.           New Semantic Elements: These are like

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. Forms 2.0: Improvements to HTML web forms where new attributes have been introduced for tag. Persistent Local Storage: To achieve without resorting to third-party plugins. WebSocket : A a next-generation bidirectional communication technology for web applications. Server-Sent Events: HTML5 introduces events which flow from web server to the web browsers and they are called Server-Sent Events (SSE). Canvas: This supports a two-dimensional drawing surface that you can program with JavaScript. Audio & Video: You can embed audio or video on your web pages without resorting to third-party plugins. Geolocation: Now visitors can choose to share their physical location with your web application. Microdata: This lets you create your own vocabularies beyond HTML5 and extend your web pages with custom semantics. Drag and drop: Drag and drop the items from one location to another location on a the same webpage. Backward Compatibility HTML5 is designed, as much as possible, to be backward compatible with existing web browsers. New features build on existing features and allow you to provide fallback content for older browsers. It is suggested to detect support for individual HTML5 features using a few lines of JavaScript. If you are not familiar with any previous version of HTML, I would recommend to go through our HTML Tutorial before you explore further concepts of HTM5. HTML5 Syntax The HTML 5 language has a "custom" HTML syntax that is compatible with HTML 4 and XHTML1 documents published on the Web, but is not compatible with the more esoteric SGML features of HTML 4. HTML 5 does not have the same syntax rules as XHTML where we needed lower case tag names, quoting our attributes,an attribute had to have a value and to close all empty elements. But HTML5 is coming with lots of flexibility and would support the followings:     Uppercase tag names. Quotes are optional for attributes. Attribute values are optional. Closing empty elements are optional. The DOCTYPE: DOCTYPEs in older versions of HTML were longer because the HTML language was SGML based 2|Page 

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