* Bind preview frame links. * * @param {string} [selector=a] - selector for anchors

* Applies HTML formatting to a slide number before it's * written to the DOM. * * @param {number} a Current slide * @param {string} delimiter

* Given a markdown slide section element, this will * return all arguments that aren't related to markdown * parsing. Used to forward any other us

* Retrieves the vertical index which was stored using * #setPreviousVerticalIndex() or 0 if no previous index * exists. * * @param {HTMLElemen

* Returns the background element for the given slide. * All slides, even the ones with no background properties * defined, have a background eleme

* Retrieves the speaker notes from a slide. Notes can be * defined in two ways: * 1. As a data-notes attribute on the slide <section> * 2. As an

* Inspects the given options and fills out default * values for what's not defined.

* Converts the given HTML element into a string of text * that can be announced to a screen reader. Hidden * elements are excluded.

* Retrieves the total number of slides in this presentation. * * @return {number}

* Called when the given slide is moved outside of the * configured view distance. * * @param {HTMLElement} slide

* Injects the given CSS styles into the DOM. * * @param {string} value

* Checks if the target element prevents the triggering of * swipe navigation.

* Uses CSS transforms to position all slides in a grid for * display inside of the overview mode.

* Applies layout logic to the contents of all slides in * the presentation. * * @param {string|number} width * @param {string|number} height

* Applies the CSS required to zoom in, prefers the use of CSS3 * transforms but falls back on zoom for IE. * * @param {Object} rect * @param {

* Enters the paused mode which fades everything on screen to * black.

* Posts the current slide data to the notes window

* Reads the current URL (hash) and navigates accordingly.

* Unbinds all event listeners.

* Stores the vertical index of a stack so that the same * vertical slide can be selected when navigating to and * from the stack. * * @param {

* Opens an overlay window with help material.

* Called when the given slide is within the configured view * distance. Shows the slide element and loads any content * that is set to load lazily

* Parses a data string into multiple slides based * on the passed in separator arguments.

* Toggles the slide overview mode on and off. * * @param {Boolean} [override] Flag which overrides the * toggle logic and forcibly sets the desi

* Toggles the paused mode on and off.

* Pick up notes from the current slide and display them * to the viewer. * * @see {@link config.showNotes}

* Updates the position of the parallax background based * on the current slide index.

* Updates the slide number div to reflect the current slide. * * The following slide number formats are available: * "h.v": horizontal . vertic

* Updates one dimension of slides by showing the slide * with the specified index. * * @param {string} selector A CSS selector that will fetch

* Updates the page URL (hash) to reflect the current * state. * * @param {number} delay The time in ms to wait before * writing the hash

* Add attributes to the parent element of a text node, * or the element of an attribute node.

* Binds all event listeners.

* @param {Array|NodeList} elems * @param {string} type * @param {Function} fn

* Inspect the client to see what it's capable of, this * should only happens once per runtime.

* Calculates brightness on a scale of 0-255. * * @param {string} color See colorToRgb for supported formats. * @see {@link colorToRgb}

* Applies the configuration settings from the config * object. May be called multiple times. * * @param {object} options

* Connect to the notes window through a postmessage handshake. * Using postmessage enables us to work in situations where the * origins differ,

* Converts any current data-markdown slides in the * DOM to HTML.

* Creates the slide background elements and appends them * to the background container. One element is created per * slide no matter if the given

* Creates a hidden div with role aria-live to announce the * current slide content. Hide the div off-screen to make it * available only to Assisti

* Unwrap all 3D links.

* Wrap all links in 3D goodness.

* Handling the fullscreen functionality via the fullscreen API * * @see http://fullscreen.spec.whatwg.org/ * @see https://developer.mozilla.org/

* Enforces origin-specific format rules for embedded media.

* Returns a value ranging from 0-1 that represents * how far into the presentation we have navigated. * * @return {number}

* Returns the remaining height within the parent of the * target element. * * remaining height = [ configured parent height ] - [ current parent

* Returns the slide element matching the specified index. * * @return {HTMLElement}

* Retrieves all slides in this presentation.

* Retrieves the current state of the presentation as * an object. This state can then be restored at any * time. * * @return {{indexh: number,

* Hides the address bar if we're on a mobile device.

* Loads the dependencies of reveal.js. Dependencies are * defined via the configuration option 'dependencies' * and will be loaded prior to

* Called once we have established a connection to the notes * window.

* Handler for the document level 'keydown' event. * * @param {object} event

* Handler for the 'touchend' event. * * @param {object} event

* Handler for the 'touchmove' event. * * @param {object} event

* Handler for the 'touchstart' event, enables support for * swipe and pinch gestures. * * @param {object} event

* Posts the current slide data to the notes window

* Parses any current data-markdown slides, splits * multi-slide markdown into separate sections and * handles loading of external markdown.

* Resets all vertical slides so that only the first * is visible.

* Finds and stores references to DOM elements which are * required by the presentation. If a required element is * not found, it is created.

* Configures the presentation for printing to a static * PDF.

* Registers a listener to postMessage events, this makes it * possible to call all reveal.js API methods from another * window. For example: *

* This is an unfortunate necessity. Some actions – such as * an input field being focused in an iframe or using the * keyboard to expand text sele

* Opens a preview window for the target URL. * * @param {string} url - url for preview iframe src

* Randomly shuffles all slides in the deck.

* Sorts and formats all of fragments in the * presentation.