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# reveal.js
A CSS 3D slideshow tool for quickly creating good looking HTML presentations. Doesn't _rely_ on any external libraries but [highlight.js](http://softwaremaniacs.org/soft/highlight/en/description/) is included by default for code highlighting.
Note that this requires a browser with support for CSS 3D transforms and ``classList``. If CSS 3D support is not detected, the presentation will degrade to less exciting 2D transitions. A [classList polyfill](http://purl.eligrey.com/github/classList.js/blob/master/classList.js) is incuded to make this work in < iOS 5, < Safari 5.1 and IE.
Curious about how it looks in action? [Check out the demo page](http://lab.hakim.se/reveal-js/).
## Usage
### Markup
Markup heirarchy needs to be ``<div id="reveal"> <div class="slides"> <section>`` where the ``<section>`` represents one slide and can be repeated indefinitely. If you place multiple ``<section>``'s inside of another ``<section>`` they will be shown as vertical slides. For example:
```html
<div id="reveal">
<div class="slides">
<section>Single Horizontal Slide</section>
<section>
<section>Vertical Slide 1</section>
<section>Vertical Slide 2</section>
</section>
</div>
</div>
```
### Configuration
At the end of your page, after ``<script src="js/reveal.js"></script>``, you need to initialize reveal by running the following code. Note that all config values are optional.
```javascript
Reveal.initialize({
// Display controls in the bottom right corner
controls: true,
// Display a presentation progress bar
progress: true,
// If true; each slide will be pushed to the browser history
history: true,
// Loops the presentation, defaults to false
loop: false,
// Flags if mouse wheel navigation should be enabled
mouseWheel: true,
// Apply a 3D roll to links on hover
rollingLinks: true,
// UI style
theme: 'default', // default/neon
// Transition style
transition: 'default' // default/cube/page/concave/linear(2d)
});
```
### API
The Reveal class provides a minimal JavaScript API for controlling its navigation:
- Reveal.navigateTo( indexh, indexv );
- Reveal.navigateLeft();
- Reveal.navigateRight();
- Reveal.navigateUp();
- Reveal.navigateDown();
- Reveal.navigatePrev();
- Reveal.navigateNext();
- Reveal.toggleOverview();
### States
If you set ``data-state="somestate"`` on a slide ``<section>``, "somestate" will be applied as a class on the document element when that slide is opened. This allows you to apply broad style changes to the page based on the active slide.
Furthermore you can also listen to these changes in state via JavaScript:
```javascript
Reveal.addEventListener( 'somestate', function() {
// TODO: Sprinkle magic
}, false );
```
### Slide change event
An 'slidechanged' event is fired each time the slide is changed (regardless of state). The event object holds the index values of the current slide as well as a reference to the previous and current slide HTML nodes.
```javascript
Reveal.addEventListener( 'slidechanged', function( event ) {
// event.previousSlide, event.currentSlide, event.indexh, event.indexv
} );
```
### Fragment events
When a slide fragment is either shown or hidden reveal.js will dispatch an event.
```javascript
Reveal.addEventListener( 'fragmentshown', function( event ) {
// event.fragment = the fragment DOM element
} );
Reveal.addEventListener( 'fragmenthidden', function( event ) {
// event.fragment = the fragment DOM element
} );
```
## Examples
* http://lab.hakim.se/reveal-js/ (original)
* http://www.ideapolisagency.com/ by [@achrafkassioui](http://twitter.com/achrafkassioui)
* http://lucienfrelin.com/ by [@lucienfrelin](http://twitter.com/lucienfrelin)
* http://creatorrr.github.com/ThePoet/
* http://moduscreate.com/ by [@ModusCreate](https://twitter.com/ModusCreate)
* http://idea.diwank.name/ by [Diwank Singh](http://diwank.name/)
* [Webapp Development Stack & Tooling](http://dl.dropbox.com/u/39519/talks/jquk-tooling%2Bappstack/index.html) by [Paul Irish](https://github.com/paulirish)
* [Lock-free algorithms](http://concurrencykit.org/presentations/lockfree_introduction/) by Samy Al Bahra
* [Not Your Average Drag and Drop](http://www.thecssninja.com/talks/not_your_average_dnd/) by [Ryan Seddon](https://github.com/ryanseddon)
* [Elasticsearch](http://spinscale.github.com/elasticsearch/2012-03-jugm.html) by [@spinscale](http://twitter.com/spinscale)
* [JavaScript Tooling](http://dl.dropbox.com/u/39519/talks/jsconf-tools/index.html) by [Paul Irish](https://github.com/paulirish)
* [The Graphical Web: Fostering Creativity](http://vhardy.github.com/presentations/html5-community-meet-up-2012/) by [Vincent Hardy](https://github.com/vhardy)
* [Mobile Web Programming is a Bloody Mess](http://westcoastlogic.com/slides/debug-mobile/) by [Brian LeRoux](https://github.com/brianleroux)
* [Bio Database Access and Sequence Alignment](http://www.philipbjorge.com/bioinformatics-presentation/) by [Philip Bjorge](https://github.com/philipbjorge)
* [Web vs Native](http://prez.mahemoff.com/state-native/) by [Michael Mahemoff](https://github.com/mahemoff)
* [Continuously Integrated JS Development](http://trodrigues.net/presentations/buster-ci/) by [Tiago Rodrigues](https://github.com/trodrigues)
* [To be Future Friendly is to be Device Agnostic](http://dl.dropbox.com/u/409429/presentations/toster-2012/index.html) by [Joe McCann](https://github.com/joemccann)
* [The Web Development Workflow of 2013](http://dl.dropbox.com/u/39519/talks/fluent/index.html) by [Paul Irish](https://github.com/paulirish)
* [How To Cope With Graphical Challenges Using Latest Web Technologies](http://alexw.me/playground/slideshows/w3c_netcraft/) by [Alex Wolkov](https://github.com/altryne)
* [Going Deeper with jQuery Mobile](http://andymatthews.net/downloads/presentations/going-deeper-with-jquery-mobile/) by [Andy Matthews](https://github.com/commadelimited)
* [Studio Nord](http://studionord.org)
[Send me a link](http://hakim.se/about/contact) if you used reveal.js for a project or presentation.
## History
#### 1.4 (master/beta)
- Main #reveal container is now selected via a class instead of ID
- API methods for adding or removing all event listeners
- The 'slidechange' event now includes currentSlide and previousSlide
- Fixed bug where 'slidechange' was firing twice when history was enabled
#### 1.3
- Revised keyboard shortcuts, including ESC for overview, N for next, P for previous. Thanks [mahemoff](https://github.com/mahemoff)
- Added support for looped presentations via config
- Fixed IE9 fallback
- Added event binding methods (Reveal.addEventListener, Reveal.removeEventListener)
- Added 'slidechanged' event
- Added print styles. Thanks [skypanther](https://github.com/skypanther)
- The address bar now hides automatically on mobile browsers
- Space and return keys can be used to exit the overview mode
- Events for fragment states ('fragmentshown'/'fragmenthidden')
- Support for swipe navigation on touch devices. Thanks [akiersky](https://github.com/akiersky)
- Support for pinch to overview on touch devices
#### 1.2
- Big changes to DOM structure:
- Previous #main wrapper is now called #reveal
- Slides were moved one level deeper, into #reveal .slides
- Controls and progress bar were moved into #reveal
- CSS is now much more explicit, rooted at #reveal, to prevent conflicts
- Config option for disabling updates to URL, defaults to true
- Anchors with image children no longer rotate in 3D on hover
- Support for mouse wheel navigation ([naugtur](https://github.com/naugtur))
- Delayed updates to URL hash to work around a bug in Chrome
- Included a classList polyfill for IE9
- Support for wireless presenter keys
- States can now be applied as classes on the document element by adding data-state on a slide
#### 1.1
- Added an optional presentation progress bar
- Images wrapped in anchors no longer unexpectedly flip in 3D
- Slides that contain other slides are given the 'stack' class
- Added 'transition' option for specifying transition styles
- Added 'theme' option for specifying UI styles
- New transitions: 'box' & 'page'
- New theme: 'neon'
#### 1.0
- New and improved style
- Added controls in bottom right which indicate where you can navigate
- Reveal views in iteratively by giving them the .fragment class
- Code sample syntax highlighting thanks to [highlight.js](http://softwaremaniacs.org/soft/highlight/en/description/)
- Initialization options (toggling controls, toggling rolling links, transition theme)
#### 0.3
- Added licensing terms
- Fixed broken links on touch devices
#### 0.2
- Refactored code and added inline documentation
- Slides now have unique URL's
- A basic API to invoke navigation was added
#### 0.1
- First release
- Transitions and a white theme
## License
MIT licensed
Copyright (C) 2012 Hakim El Hattab, http://hakim.se
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