HTML5
- HTML5 was first released on 22 January 2008. A major update with "W3C Recommendation" status was available in October 2014.
- DOM is a fundamental part of the HTML5 specification.
- Both W3C and WHATWG groups have been working together on the development of HTML5. The W3C spec is the one that Web developers most often refer to, while the WHATWG version is used by the software development teams of the browser makers.
- HTML5 extends HTML4 with improvements, additional markup, and application programming interface (API) for web applications.
- HTML5 is mobile friendly. It has features designed for use in low-powered devices and for cross-platform mobile applications.
- HTML5 has capability to extend and improve markup available for web pages.
- HTML5 includes features for displaying SVG and playing audio and video within web pages.
- HTML 5 cannot provide animation within web pages without CSS3 or JavaScript
New section elements
<section>, <article>, <new>, <header>, <footer>, <aside>New semantic elements
<mark>, <figure>, <figcaption>, <data>, <time>, <output>,
<progress>, <meter>, <main>, <audio>, <video>New APIs (W3C or WHATWG)
Canvas, Timed Media Playback, Offline, Editable Content, Drag and Drop, History, MIME type, Microdata, Web Messaging, Web Storage, Geolocation, IndexedDB, File, File Writer, Directories and System, Web Audio, Web Cryptography, WebRTC, Web SQL Database, ClassList
Event attributes
| Event | Description |
|---|---|
| Onabort | abort event |
| Onbeforeunload | before unload event |
| Onclick | mouse clicked event |
| Ondbclick | mouse double-clicked event |
| Onkeydown | key pressed down event |
| Onkeypress | key pressed event |
| Onkeyup | key released event |
| Onmousedown | mouse button pressed down event |
| Onmousemove | mouse moved event |
| Onmouseout | mouse cursor exited event |
| Onmouseover | mouse cursor entered event |
| Onmouseup | mouse button released event |
| Onmove | move event |
| Onpaste | paste event |
| Onresize | resize event |
| Ongesturechange | gesture change event |
| Ongesturestart | start of gesture event |
| Ongestureend | end of gesture event |
| Onorientationchange | device orientation changed event |
| Ontouchcance | touch canceled event |
| Ontouchmove | touch move event |
| Ontouchstart | touch started event |