Function start

js/reveal.js:194–249

* Starts up reveal.js by binding input events and navigating * to the current URL deeplink if there is one.

()

	 * to the current URL deeplink if there is one.
	 */
	function start() {

		// Don't proceed if this instance has been destroyed
		if( initialized === false ) return;

		ready = true;

		// Remove slides hidden with data-visibility
		removeHiddenSlides();

		// Make sure we've got all the DOM elements we need
		setupDOM();

		// Listen to messages posted to this window
		setupPostMessage();

		// Prevent the slides from being scrolled out of view
		setupScrollPrevention();

		// Adds bindings for fullscreen mode
		setupFullscreen();

		// Resets all vertical slides so that only the first is visible
		resetVerticalSlides();

		// Updates the presentation to match the current configuration values
		configure();

		// Create slide backgrounds
		backgrounds.update( true );

		// Activate the print/scroll view if configured
		activateInitialView();

		// Read the initial hash
		location.readURL();

		// Notify listeners that the presentation is ready but use a 1ms
		// timeout to ensure it's not fired synchronously after #initialize()
		setTimeout( () => {
			// Enable transitions now that we're loaded
			dom.slides.classList.remove( 'no-transition' );

			dom.wrapper.classList.add( 'ready' );

			dispatchEvent({
				type: 'ready',
				data: {
					indexh,
					indexv,
					currentSlide
				}
			});
		}, 1 );

	}

	/**