diff -r cf61fcea0001 -r c7c34916027a wp/wp-content/themes/twentyfifteen/js/functions.js
--- a/wp/wp-content/themes/twentyfifteen/js/functions.js	Mon Oct 14 17:39:30 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,178 +0,0 @@
-/* global screenReaderText */
-/**
- * Theme functions file.
- *
- * Contains handlers for navigation and widget area.
- */
-
-( function( $ ) {
-	var $body, $window, $sidebar, adminbarOffset, top = false,
-	    bottom = false, windowWidth, windowHeight, lastWindowPos = 0,
-	    topOffset = 0, bodyHeight, sidebarHeight, resizeTimer,
-	    secondary, button;
-
-	function initMainNavigation( container ) {
-		// Add dropdown toggle that display child menu items.
-		container.find( '.menu-item-has-children > a' ).after( '<button class="dropdown-toggle" aria-expanded="false">' + screenReaderText.expand + '</button>' );
-
-		// Toggle buttons and submenu items with active children menu items.
-		container.find( '.current-menu-ancestor > button' ).addClass( 'toggle-on' );
-		container.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' );
-
-		container.find( '.dropdown-toggle' ).click( function( e ) {
-			var _this = $( this );
-			e.preventDefault();
-			_this.toggleClass( 'toggle-on' );
-			_this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' );
-			_this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
-			_this.html( _this.html() === screenReaderText.expand ? screenReaderText.collapse : screenReaderText.expand );
-		} );
-	}
-	initMainNavigation( $( '.main-navigation' ) );
-
-	// Re-initialize the main navigation when it is updated, persisting any existing submenu expanded states.
-	$( document ).on( 'customize-preview-menu-refreshed', function( e, params ) {
-		if ( 'primary' === params.wpNavMenuArgs.theme_location ) {
-			initMainNavigation( params.newContainer );
-
-			// Re-sync expanded states from oldContainer.
-			params.oldContainer.find( '.dropdown-toggle.toggle-on' ).each(function() {
-				var containerId = $( this ).parent().prop( 'id' );
-				$( params.newContainer ).find( '#' + containerId + ' > .dropdown-toggle' ).triggerHandler( 'click' );
-			});
-		}
-	});
-
-	secondary = $( '#secondary' );
-	button = $( '.site-branding' ).find( '.secondary-toggle' );
-
-	// Enable menu toggle for small screens.
-	( function() {
-		var menu, widgets, social;
-		if ( ! secondary.length || ! button.length ) {
-			return;
-		}
-
-		// Hide button if there are no widgets and the menus are missing or empty.
-		menu    = secondary.find( '.nav-menu' );
-		widgets = secondary.find( '#widget-area' );
-		social  = secondary.find( '#social-navigation' );
-		if ( ! widgets.length && ! social.length && ( ! menu.length || ! menu.children().length ) ) {
-			button.hide();
-			return;
-		}
-
-		button.on( 'click.twentyfifteen', function() {
-			secondary.toggleClass( 'toggled-on' );
-			secondary.trigger( 'resize' );
-			$( this ).toggleClass( 'toggled-on' );
-			if ( $( this, secondary ).hasClass( 'toggled-on' ) ) {
-				$( this ).attr( 'aria-expanded', 'true' );
-				secondary.attr( 'aria-expanded', 'true' );
-			} else {
-				$( this ).attr( 'aria-expanded', 'false' );
-				secondary.attr( 'aria-expanded', 'false' );
-			}
-		} );
-	} )();
-
-	/**
-	 * @summary Add or remove ARIA attributes.
-	 * Uses jQuery's width() function to determine the size of the window and add
-	 * the default ARIA attributes for the menu toggle if it's visible.
-	 * @since Twenty Fifteen 1.1
-	 */
-	function onResizeARIA() {
-		if ( 955 > $window.width() ) {
-			button.attr( 'aria-expanded', 'false' );
-			secondary.attr( 'aria-expanded', 'false' );
-			button.attr( 'aria-controls', 'secondary' );
-		} else {
-			button.removeAttr( 'aria-expanded' );
-			secondary.removeAttr( 'aria-expanded' );
-			button.removeAttr( 'aria-controls' );
-		}
-	}
-
-	// Sidebar scrolling.
-	function resize() {
-		windowWidth = $window.width();
-
-		if ( 955 > windowWidth ) {
-			top = bottom = false;
-			$sidebar.removeAttr( 'style' );
-		}
-	}
-
-	function scroll() {
-		var windowPos = $window.scrollTop();
-
-		if ( 955 > windowWidth ) {
-			return;
-		}
-
-		sidebarHeight = $sidebar.height();
-		windowHeight  = $window.height();
-		bodyHeight    = $body.height();
-
-		if ( sidebarHeight + adminbarOffset > windowHeight ) {
-			if ( windowPos > lastWindowPos ) {
-				if ( top ) {
-					top = false;
-					topOffset = ( $sidebar.offset().top > 0 ) ? $sidebar.offset().top - adminbarOffset : 0;
-					$sidebar.attr( 'style', 'top: ' + topOffset + 'px;' );
-				} else if ( ! bottom && windowPos + windowHeight > sidebarHeight + $sidebar.offset().top && sidebarHeight + adminbarOffset < bodyHeight ) {
-					bottom = true;
-					$sidebar.attr( 'style', 'position: fixed; bottom: 0;' );
-				}
-			} else if ( windowPos < lastWindowPos ) {
-				if ( bottom ) {
-					bottom = false;
-					topOffset = ( $sidebar.offset().top > 0 ) ? $sidebar.offset().top - adminbarOffset : 0;
-					$sidebar.attr( 'style', 'top: ' + topOffset + 'px;' );
-				} else if ( ! top && windowPos + adminbarOffset < $sidebar.offset().top ) {
-					top = true;
-					$sidebar.attr( 'style', 'position: fixed;' );
-				}
-			} else {
-				top = bottom = false;
-				topOffset = ( $sidebar.offset().top > 0 ) ? $sidebar.offset().top - adminbarOffset : 0;
-				$sidebar.attr( 'style', 'top: ' + topOffset + 'px;' );
-			}
-		} else if ( ! top ) {
-			top = true;
-			$sidebar.attr( 'style', 'position: fixed;' );
-		}
-
-		lastWindowPos = windowPos;
-	}
-
-	function resizeAndScroll() {
-		resize();
-		scroll();
-	}
-
-	$( document ).ready( function() {
-		$body          = $( document.body );
-		$window        = $( window );
-		$sidebar       = $( '#sidebar' ).first();
-		adminbarOffset = $body.is( '.admin-bar' ) ? $( '#wpadminbar' ).height() : 0;
-
-		$window
-			.on( 'scroll.twentyfifteen', scroll )
-			.on( 'load.twentyfifteen', onResizeARIA )
-			.on( 'resize.twentyfifteen', function() {
-				clearTimeout( resizeTimer );
-				resizeTimer = setTimeout( resizeAndScroll, 500 );
-				onResizeARIA();
-			} );
-		$sidebar.on( 'click.twentyfifteen keydown.twentyfifteen', 'button', resizeAndScroll );
-
-		resizeAndScroll();
-
-		for ( var i = 1; i < 6; i++ ) {
-			setTimeout( resizeAndScroll, 100 * i );
-		}
-	} );
-
-} )( jQuery );