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README.md

reveal.js

A framework for easily creating beautiful presentations using HTML. Check out the live demo.

reveal.js comes with a broad range of features including nested slides, markdown contents, PDF export, speaker notes and a JavaScript API. It's best viewed in a browser with support for CSS 3D transforms but fallbacks are available to make sure your presentation can still be viewed elsewhere.

More reading in the Wiki:

  • Changelog: Up-to-date version history.
  • Examples: Presentations created with reveal.js, add your own!
  • Browser Support: Explanation of browser support and fallbacks.

Instructions

Markup

Markup heirarchy needs to be <div class="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. The first of the vertical slides is the "root" of the others (at the top), and it will be included in the horizontal sequence. For example:

<div class="reveal">
	<div class="slides"> 
		<section>Single Horizontal Slide</section>
		<section>
			<section>Vertical Slide 1</section>
			<section>Vertical Slide 2</section>
		</section>
	</div>
</div>

Markdown

It's possible to write your slides using Markdown. To enable Markdown simply add the data-markdown attribute to your <section> elements and reveal.js will automatically load the JavaScript parser.

This is based on data-markdown from Paul Irish which in turn uses showdown. This is sensitive to indentation (avoid mixing tabs and spaces) and line breaks (avoid consecutive breaks). Updates to come.

<section data-markdown>
	## Page title
	
	A paragraph with some text and a [link](http://hakim.se).
</section>

Configuration

At the end of your page you need to initialize reveal by running the following code. Note that all config values are optional and will default as specified below.

Reveal.initialize({
	// Display controls in the bottom right corner
	controls: true,

	// Display a presentation progress bar
	progress: true,

	// Push each slide change to the browser history
	history: false,

	// Enable keyboard shortcuts for navigation
	keyboard: true,

	// Loop the presentation
	loop: false,

	// Number of milliseconds between automatically proceeding to the 
	// next slide, disabled when set to 0
	autoSlide: 0,

	// Enable slide navigation via mouse wheel
	mouseWheel: true,

	// Apply a 3D roll to links on hover
	rollingLinks: true,

	// Transition style
	transition: 'default' // default/cube/page/concave/linear(2d)
});

API

The Reveal class provides a minimal JavaScript API for controlling navigation and reading state:

// Navigation
Reveal.navigateTo( indexh, indexv );
Reveal.navigateLeft();
Reveal.navigateRight();
Reveal.navigateUp();
Reveal.navigateDown();
Reveal.navigatePrev();
Reveal.navigateNext();
Reveal.toggleOverview();

// Retrieves the previous and current slide elements
Reveal.getPreviousSlide();
Reveal.getCurrentSlide();

Reveal.getIndices(); // { h: 0, v: 0 } }

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:

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.

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.

Reveal.addEventListener( 'fragmentshown', function( event ) {
	// event.fragment = the fragment DOM element
} );
Reveal.addEventListener( 'fragmenthidden', function( event ) {
	// event.fragment = the fragment DOM element
} );

PDF Export

Presentations can be exported to PDF via a special print stylesheet. This feature requires that you use Google Chrome. Here's an example of an exported presentation that's been uploaded to SlideShare: http://www.slideshare.net/hakimel/revealjs-13872948.

  1. Open the desired presentation with print-pdf anywhere in the query, for example: lab.hakim.se/reveal-js?print-pdf
  2. Open the in-browser print dialog (CMD+P).
  3. Change the Destination setting to Save as PDF.
  4. Change the Layout to Landscape.
  5. Change the Margins to None.
  6. Click Save.

Chrome Print Settings

Speaker Notes

If you're interested in using speaker notes, reveal.js comes with a Node server that allows you to deliver your presentation in one browser while viewing speaker notes in another.

To include speaker notes in your presentation, simply add an <aside class="notes"> element to any slide. These notes will be hidden in the main presentation view.

You'll also need to install Node.js; then, install the server dependencies by running npm install.

Once Node.js and the dependencies are installed, run the following command from the root directory:

	node plugin/speakernotes

By default, the slides will be served at localhost:1947.

You can change the appearance of the speaker notes by editing the file at plugin/speakernotes/notes.html.

Known Issues

  • The notes page is supposed to show the current slide and the next slide, but when it first starts, it always shows the first slide in both positions.

Folder Structure

  • css/ Core styles without which the project does not function
  • js/ Like above but for JavaScript
  • plugin/ Components that have been developed as extensions to reveal.js
  • lib/ All other third party assets (JavaScript, CSS, fonts)

License

MIT licensed

Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se