Index: src/js/_enqueues/vendor/imgareaselect/jquery.imgareaselect.js =================================================================== --- src/js/_enqueues/vendor/imgareaselect/jquery.imgareaselect.js (revision 61303) +++ src/js/_enqueues/vendor/imgareaselect/jquery.imgareaselect.js (working copy) @@ -347,8 +347,7 @@ .add($area).width(w = selection.width).height(h = selection.height); /* - * Reset the position of selection area, borders, and handles (IE6/IE7 - * position them incorrectly if we don't do this) + * Reset the position of selection area, borders, and handles. */ $area.add($border).add($handles).css({ left: 0, top: 0 }); @@ -401,22 +400,6 @@ }); } - /* - * Internet Explorer displays 1px-wide dashed borders incorrectly by - * filling the spaces between dashes with white. Toggling the margin - * property between 0 and "auto" fixes this in IE6 and IE7 (IE8 is still - * broken). This workaround is not perfect, as it requires setTimeout() - * and thus causes the border to flicker a bit, but I haven't found a - * better solution. - * - * Note: This only happens with CSS borders, set with the borderWidth, - * borderOpacity, borderColor1, and borderColor2 options (which are now - * deprecated). Borders created with GIF background images are fine. - */ - if (msie && $border.outerWidth() - $border.innerWidth() == 2) { - $border.css('margin', 0); - setTimeout(function () { $border.css('margin', 'auto'); }, 0); - } } /** @@ -1008,13 +991,6 @@ /* Append all the selection area elements to the container box */ $box.append($area.add($border).add($areaOpera)).append($handles); - if (msie) { - if (o = ($outer.css('filter')||'').match(/opacity=(\d+)/)) - $outer.css('opacity', o[1]/100); - if (o = ($border.css('filter')||'').match(/opacity=(\d+)/)) - $border.css('opacity', o[1]/100); - } - if (newOptions.hide) hide($box.add($outer)); else if (newOptions.show && imgLoaded) { @@ -1123,8 +1099,7 @@ this.update = doUpdate; /* Do the dreaded browser detection */ - var msie = (/msie ([\w.]+)/i.exec(ua)||[])[1], - opera = /opera/i.test(ua), + var opera = /opera/i.test(ua), safari = /webkit/i.test(ua) && !/chrome/i.test(ua); /* @@ -1149,13 +1124,10 @@ */ zIndex = options.zIndex || zIndex; - if (msie) - $img.attr('unselectable', 'on'); - /* - * In MSIE and WebKit, we need to use the keydown event instead of keypress + * In WebKit, we need to use the keydown event instead of keypress. */ - $.imgAreaSelect.keyPress = msie || safari ? 'keydown' : 'keypress'; + $.imgAreaSelect.keyPress = safari ? 'keydown' : 'keypress'; /* * There is a bug affecting the CSS cursor property in Opera (observed in @@ -1188,13 +1160,6 @@ img.complete || img.readyState == 'complete' || !$img.is('img') ? imgLoad() : $img.one('load', imgLoad); - /* - * MSIE 9.0 doesn't always fire the image load event -- resetting the src - * attribute seems to trigger it. The check is for version 7 and above to - * accommodate for MSIE 9 running in compatibility mode. - */ - if (!imgLoaded && msie && msie >= 7) - img.src = img.src; }; /** Index: src/js/_enqueues/vendor/farbtastic.js =================================================================== --- src/js/_enqueues/vendor/farbtastic.js (revision 61303) +++ src/js/_enqueues/vendor/farbtastic.js (working copy) @@ -35,20 +35,6 @@ fb.square = 100; fb.width = 194; - // Fix background PNGs in IE6 - if (navigator.appVersion.match(/MSIE [0-6]\./)) { - $('*', e).each(function () { - if (this.currentStyle.backgroundImage != 'none') { - var image = this.currentStyle.backgroundImage; - image = this.currentStyle.backgroundImage.substring(5, image.length - 2); - $(this).css({ - 'backgroundImage': 'none', - 'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='" + image + "')" - }); - } - }); - } - /** * Link to the given element(s) or callback. */ Index: src/js/_enqueues/vendor/thickbox/thickbox.js =================================================================== --- src/js/_enqueues/vendor/thickbox/thickbox.js (revision 61303) +++ src/js/_enqueues/vendor/thickbox/thickbox.js (working copy) @@ -44,19 +44,10 @@ var $closeBtn; try { - if (typeof document.body.style.maxHeight === "undefined") {//if IE 6 - jQuery("body","html").css({height: "100%", width: "100%"}); - jQuery("html").css("overflow","hidden"); - if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6 - jQuery("body").append("
"); - jQuery("#TB_overlay").on( 'click', tb_remove ); - } - }else{//all others - if(document.getElementById("TB_overlay") === null){ - jQuery("body").append("
"); - jQuery("#TB_overlay").on( 'click', tb_remove ); - jQuery( 'body' ).addClass( 'modal-open' ); - } + if(document.getElementById("TB_overlay") === null){ + jQuery("body").append("
"); + jQuery("#TB_overlay").on( 'click', tb_remove ); + jQuery( 'body' ).addClass( 'modal-open' ); } if(tb_detectMacXFF()){ @@ -292,26 +283,19 @@ function tb_remove() { jQuery("#TB_imageOff").off("click"); jQuery("#TB_closeWindowButton").off("click"); - jQuery( '#TB_window' ).fadeOut( 'fast', function() { - jQuery( '#TB_window, #TB_overlay, #TB_HideSelect' ).trigger( 'tb_unload' ).off().remove(); + jQuery( '#TB_window' ).fadeOut( 'fast', function() { + jQuery( '#TB_window, #TB_overlay' ).trigger( 'tb_unload' ).off().remove(); jQuery( 'body' ).trigger( 'thickbox:removed' ); }); jQuery( 'body' ).removeClass( 'modal-open' ); jQuery("#TB_load").remove(); - if (typeof document.body.style.maxHeight == "undefined") {//if IE 6 - jQuery("body","html").css({height: "auto", width: "auto"}); - jQuery("html").css("overflow",""); - } jQuery(document).off('.thickbox'); return false; } function tb_position() { -var isIE6 = typeof document.body.style.maxHeight === "undefined"; jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'}); - if ( ! isIE6 ) { // take away IE6 - jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'}); - } + jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'}); } function tb_parseQuery ( query ) { Index: src/js/_enqueues/vendor/tinymce/skins/wordpress/wp-content.css =================================================================== --- src/js/_enqueues/vendor/tinymce/skins/wordpress/wp-content.css (revision 61303) +++ src/js/_enqueues/vendor/tinymce/skins/wordpress/wp-content.css (working copy) @@ -395,11 +395,6 @@ overflow-x: hidden; } -.ie7 .gallery, -.ie8 .gallery { - margin: auto; -} - .gallery .gallery-item { float: left; margin: 0; @@ -410,11 +405,6 @@ box-sizing: border-box; } -.ie7 .gallery .gallery-item, -.ie8 .gallery .gallery-item { - padding: 6px 0; -} - .gallery .gallery-caption, .gallery .gallery-icon { margin: 0; @@ -437,11 +427,6 @@ width: 33.333%; } -.ie8 .gallery-columns-3 .gallery-item, -.ie7 .gallery-columns-3 .gallery-item { - width: 33%; -} - .gallery-columns-4 .gallery-item { width: 25%; } Index: src/js/_enqueues/vendor/tinymce/plugins/wordpress/plugin.js =================================================================== --- src/js/_enqueues/vendor/tinymce/plugins/wordpress/plugin.js (revision 61303) +++ src/js/_enqueues/vendor/tinymce/plugins/wordpress/plugin.js (working copy) @@ -512,15 +512,7 @@ dom.setAttrib( doc.documentElement, 'lang', editor.getParam( 'wp_lang_attr' ) ); - if ( env.ie ) { - if ( parseInt( env.ie, 10 ) === 9 ) { - bodyClass.push('ie9'); - } else if ( parseInt( env.ie, 10 ) === 8 ) { - bodyClass.push('ie8'); - } else if ( env.ie < 8 ) { - bodyClass.push('ie7'); - } - } else if ( env.webkit ) { + if ( env.webkit ) { bodyClass.push('webkit'); } Index: src/js/_enqueues/wp/heartbeat.js =================================================================== --- src/js/_enqueues/wp/heartbeat.js (revision 61303) +++ src/js/_enqueues/wp/heartbeat.js (working copy) @@ -181,20 +181,16 @@ settings.minimalInterval = settings.minimalInterval * 1000; } - /* - * Switch the interval to 120 seconds by using the Page Visibility API. - * If the browser doesn't support it (Safari < 7, Android < 4.4, IE < 10), the - * interval will be increased to 120 seconds after 5 minutes of mouse and keyboard - * inactivity. - */ + /* + * Switch the interval to 120 seconds by using the Page Visibility API. + * If the browser doesn't support it (Safari < 7, Android < 4.4), the + * interval will be increased to 120 seconds after 5 minutes of mouse and keyboard + * inactivity. + */ if ( typeof document.hidden !== 'undefined' ) { hidden = 'hidden'; visibilitychange = 'visibilitychange'; visibilityState = 'visibilityState'; - } else if ( typeof document.msHidden !== 'undefined' ) { // IE10. - hidden = 'msHidden'; - visibilitychange = 'msvisibilitychange'; - visibilityState = 'msVisibilityState'; } else if ( typeof document.webkitHidden !== 'undefined' ) { // Android. hidden = 'webkitHidden'; visibilitychange = 'webkitvisibilitychange'; Index: src/js/_enqueues/wp/emoji.js =================================================================== --- src/js/_enqueues/wp/emoji.js (revision 61303) +++ src/js/_enqueues/wp/emoji.js (working copy) @@ -28,8 +28,7 @@ // Private. twemoji, timer, loaded = false, - count = 0, - ie11 = window.navigator.userAgent.indexOf( 'Trident/7.0' ) > 0; + count = 0; /** * Detect if the browser supports SVG. @@ -126,22 +125,6 @@ if ( ! node.parentNode ) { continue; } - - if ( ie11 ) { - /* - * IE 11's implementation of MutationObserver is buggy. - * It unnecessarily splits text nodes when it encounters a HTML - * template interpolation symbol ( "{{", for example ). So, we - * join the text nodes back together as a work-around. - * - * Node type 3 is a TEXT_NODE. - */ - while( node.nextSibling && 3 === node.nextSibling.nodeType ) { - node.nodeValue = node.nodeValue + node.nextSibling.nodeValue; - node.parentNode.removeChild( node.nextSibling ); - } - } - node = node.parentNode; } Index: src/js/_enqueues/wp/dashboard.js =================================================================== --- src/js/_enqueues/wp/dashboard.js (revision 61303) +++ src/js/_enqueues/wp/dashboard.js (working copy) @@ -199,11 +199,6 @@ * @return {void} */ function autoResizeTextarea() { - // When IE8 or older is used to render this document, exit. - if ( document.documentMode && document.documentMode < 9 ) { - return; - } - // Add a hidden div. We'll copy over the text from the textarea to measure its height. $('body').append( '' ); @@ -233,8 +228,7 @@ 'display': 'none' }); - // The 'propertychange' is used in IE < 9. - editor.on('focus input propertychange', function() { + editor.on('focus input', function() { var $this = $(this), // Add a non-breaking space to ensure that the height of a trailing newline is // included. @@ -422,7 +416,7 @@ requestParams = requestParams || {}; requestParams._wpnonce = communityEventsData.nonce; - requestParams.timezone = window.Intl ? window.Intl.DateTimeFormat().resolvedOptions().timeZone : ''; + requestParams.timezone = Intl.DateTimeFormat().resolvedOptions().timeZone; initiatedBy = requestParams.location ? 'user' : 'app'; @@ -675,41 +669,10 @@ * Prefer a name like `Europe/Helsinki`, since that automatically tracks daylight savings. This * doesn't need to take `startTimestamp` into account for that reason. */ - var timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone; - - /* - * Fall back to an offset for IE11, which declares the property but doesn't assign a value. - */ - if ( 'undefined' === typeof timeZone ) { - /* - * It's important to use the _event_ time, not the _current_ - * time, so that daylight savings time is accounted for. - */ - timeZone = app.getFlippedTimeZoneOffset( startTimestamp ); - } - - return timeZone; + return Intl.DateTimeFormat().resolvedOptions().timeZone; }, /** - * Get intuitive time zone offset. - * - * `Data.prototype.getTimezoneOffset()` returns a positive value for time zones - * that are _behind_ UTC, and a _negative_ value for ones that are ahead. - * - * See https://stackoverflow.com/questions/21102435/why-does-javascript-date-gettimezoneoffset-consider-0500-as-a-positive-off. - * - * @since 5.5.2 - * - * @param {number} startTimestamp - * - * @returns {number} - */ - getFlippedTimeZoneOffset: function( startTimestamp ) { - return new Date( startTimestamp ).getTimezoneOffset() * -1; - }, - - /** * Get a short time zone name, like `PST`. * * @since 5.5.2 @@ -736,18 +699,6 @@ timeZoneAbbreviation = shortTimeStringParts[2]; } - if ( 'undefined' === typeof timeZoneAbbreviation ) { - /* - * It's important to use the _event_ time, not the _current_ - * time, so that daylight savings time is accounted for. - */ - var timeZoneOffset = app.getFlippedTimeZoneOffset( startTimestamp ), - sign = -1 === Math.sign( timeZoneOffset ) ? '' : '+'; - - // translators: Used as part of a string like `GMT+5` in the Events Widget. - timeZoneAbbreviation = _x( 'GMT', 'Events widget offset prefix' ) + sign + ( timeZoneOffset / 60 ); - } - return timeZoneAbbreviation; }, Index: src/js/_enqueues/wp/customize/controls.js =================================================================== --- src/js/_enqueues/wp/customize/controls.js (revision 61303) +++ src/js/_enqueues/wp/customize/controls.js (working copy) @@ -8115,11 +8115,6 @@ populateChangesetUuidParam = function( isIncluded ) { var urlParser, queryParams; - // Abort on IE9 which doesn't support history management. - if ( ! history.replaceState ) { - return; - } - urlParser = document.createElement( 'a' ); urlParser.href = location.href; queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) ); Index: src/wp-admin/css/forms.css =================================================================== --- src/wp-admin/css/forms.css (revision 61303) +++ src/wp-admin/css/forms.css (working copy) @@ -362,30 +362,7 @@ text-shadow: 0 0 0 #0a4b78; } -/* Remove background focus style from IE11 while keeping focus style available on option elements. */ -.wp-core-ui select::-ms-value { - background: transparent; - color: #50575e; -} -.wp-core-ui select:hover::-ms-value { - color: #2271b1; -} - -.wp-core-ui select:focus::-ms-value { - color: #0a4b78; -} - -.wp-core-ui select.disabled::-ms-value, -.wp-core-ui select:disabled::-ms-value { - color: #a7aaad; -} - -/* Hide the native down arrow for select element on IE. */ -.wp-core-ui select::-ms-expand { - display: none; -} - .wp-admin .button-cancel { display: inline-block; min-height: 28px; @@ -695,20 +672,11 @@ min-height: 30px; } -/* Hide the Edge "reveal password" native button */ -.wp-pwd input::-ms-reveal { - display: none; -} - #pass1-text, .show-password #pass1 { display: none; } -#pass1-text::-ms-clear { - display: none; -} - .show-password #pass1-text { display: inline-block; } Index: src/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js =================================================================== --- src/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js (revision 61303) +++ src/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js (working copy) @@ -43,43 +43,6 @@ } /** - * Adds class to an element. - * - * @param {Object} el - * @param {string} cls - */ - function addClass(el, cls) { - if ( ! el.className.match( '(?:^|\\s)' + cls + '(?!\\S)') ) { - el.className += ' ' + cls; - } - } - - /** - * Deletes class from an element. - * - * @param {Object} el - * @param {string} cls - */ - function deleteClass(el, cls) { - el.className = el.className.replace( new RegExp( '(?:^|\\s)' + cls + '(?!\\S)' ),'' ); - } - - /** - * Determines whether an element has the given class. - * - * @param {Object} el - * @param {string} cls - * - * @returns {boolean} Has class - */ - function hasClass(el, cls) { - - if ( el.className.match( '(?:^|\\s)' + cls + '(?!\\S)' ) ) { - return true; - } - } - - /** * Toggles Aria Expanded state for screenreaders. * * @param {Object} ariaItem @@ -107,9 +70,10 @@ 'use strict'; // Update classes. - // classList.add is not supported in IE11. - currentSubMenu.parentElement.className += ' off-canvas'; - currentSubMenu.parentElement.lastElementChild.className += ' expanded-true'; + currentSubMenu.parentElement.classList.add( 'off-canvas' ); + if ( currentSubMenu.parentElement.lastElementChild ) { + currentSubMenu.parentElement.lastElementChild.classList.add( 'expanded-true' ); + } // Update aria-expanded state. toggleAriaExpandedState( currentSubMenu ); @@ -131,9 +95,10 @@ if ( getCurrentParent( currentSubMenu, 'ul' ).classList.contains( 'sub-menu' ) ) { // Update classes. - // classList.remove is not supported in IE11. - menuItem.className = menuItem.className.replace( 'off-canvas', '' ); - subMenu.className = subMenu.className.replace( 'expanded-true', '' ); + menuItem.classList.remove( 'off-canvas' ); + if ( subMenu ) { + subMenu.classList.remove( 'expanded-true' ); + } // Update aria-expanded and :focus states. toggleAriaExpandedState( menuItemAria ); @@ -142,9 +107,10 @@ } else { // Update classes. - // classList.remove is not supported in IE11. - menuItem.className = menuItem.className.replace( 'off-canvas', '' ); - menuItem.lastElementChild.className = menuItem.lastElementChild.className.replace( 'expanded-true', '' ); + menuItem.classList.remove( 'off-canvas' ); + if ( menuItem.lastElementChild ) { + menuItem.lastElementChild.classList.remove( 'expanded-true' ); + } // Update aria-expanded and :focus states. toggleAriaExpandedState( menuItemAria ); @@ -197,18 +163,11 @@ } for ( o = 0; o < getFocusedClassElements.length; o++) { - deleteClass( getFocusedClassElements[o], 'is-focused' ); + getFocusedClassElements[o].classList.remove( 'is-focused' ); } } /** - * Matches polyfill for IE11. - */ - if (!Element.prototype.matches) { - Element.prototype.matches = Element.prototype.msMatchesSelector; - } - - /** * Toggles `focus` class to allow sub-menu access on touch screens. */ function toggleSubmenuDisplay() { @@ -252,7 +211,7 @@ var mainNav = getCurrentParent( event.target, '.main-navigation' ); - if ( null != mainNav && hasClass( mainNav, '.main-navigation' ) ) { + if ( null != mainNav ) { // Prevent default mouse events. event.preventDefault(); @@ -284,23 +243,23 @@ var prevLi = getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ).previousElementSibling; var nextLi = getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ).nextElementSibling; - if ( null !== focusedElement && null !== hasClass( focusedElement, focusedClass ) ) { - deleteClass( focusedElement, focusedClass ); + if ( null !== focusedElement && focusedElement.classList.contains( focusedClass ) ) { + focusedElement.classList.remove( focusedClass ); } // Add .is-focused class to top-level li. if ( getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ) ) { - addClass( getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ), focusedClass ); + getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ).classList.add( focusedClass ); } // Check for previous li. - if ( prevLi && hasClass( prevLi, focusedClass ) ) { - deleteClass( prevLi, focusedClass ); + if ( prevLi && prevLi.classList.contains( focusedClass ) ) { + prevLi.classList.remove( focusedClass ); } // Check for next li. - if ( nextLi && hasClass( nextLi, focusedClass ) ) { - deleteClass( nextLi, focusedClass ); + if ( nextLi && nextLi.classList.contains( focusedClass ) ) { + nextLi.classList.remove( focusedClass ); } } Index: src/wp-content/themes/twentynineteen/js/priority-menu.js =================================================================== --- src/wp-content/themes/twentynineteen/js/priority-menu.js (revision 61303) +++ src/wp-content/themes/twentynineteen/js/priority-menu.js (working copy) @@ -56,8 +56,7 @@ * @param {Element} element */ function showButton(element) { - // classList.remove is not supported in IE11. - element.className = element.className.replace('is-empty', ''); + element.classList.remove( 'is-empty' ); } /** @@ -66,10 +65,7 @@ * @param {Element} element */ function hideButton(element) { - // classList.add is not supported in IE11. - if (!element.classList.contains('is-empty')) { - element.className += ' is-empty'; - } + element.classList.add( 'is-empty' ); } /** Index: src/wp-content/themes/twentytwentyone/functions.php =================================================================== --- src/wp-content/themes/twentytwentyone/functions.php (revision 61303) +++ src/wp-content/themes/twentytwentyone/functions.php (working copy) @@ -391,22 +391,10 @@ * * @since Twenty Twenty-One 1.0 * - * @global bool $is_IE - * @global WP_Scripts $wp_scripts - * * @return void */ function twenty_twenty_one_scripts() { - // Note, the is_IE global variable is defined by WordPress and is used - // to detect if the current browser is internet explorer. - global $is_IE, $wp_scripts; - if ( $is_IE ) { - // If IE 11 or below, use a flattened stylesheet with static values replacing CSS Variables. - wp_enqueue_style( 'twenty-twenty-one-style', get_template_directory_uri() . '/assets/css/ie.css', array(), wp_get_theme()->get( 'Version' ) ); - } else { - // If not IE, use the standard stylesheet. - wp_enqueue_style( 'twenty-twenty-one-style', get_template_directory_uri() . '/style.css', array(), wp_get_theme()->get( 'Version' ) ); - } + wp_enqueue_style( 'twenty-twenty-one-style', get_template_directory_uri() . '/style.css', array(), wp_get_theme()->get( 'Version' ) ); // RTL styles. wp_style_add_data( 'twenty-twenty-one-style', 'rtl', 'replace' ); @@ -419,39 +407,12 @@ wp_enqueue_script( 'comment-reply' ); } - // Register the IE11 polyfill file. - wp_register_script( - 'twenty-twenty-one-ie11-polyfills-asset', - get_template_directory_uri() . '/assets/js/polyfills.js', - array(), - wp_get_theme()->get( 'Version' ), - array( 'in_footer' => true ) - ); - - // Register the IE11 polyfill loader. - wp_register_script( - 'twenty-twenty-one-ie11-polyfills', - null, - array(), - wp_get_theme()->get( 'Version' ), - array( 'in_footer' => true ) - ); - wp_add_inline_script( - 'twenty-twenty-one-ie11-polyfills', - wp_get_script_polyfill( - $wp_scripts, - array( - 'Element.prototype.matches && Element.prototype.closest && window.NodeList && NodeList.prototype.forEach' => 'twenty-twenty-one-ie11-polyfills-asset', - ) - ) - ); - // Main navigation scripts. if ( has_nav_menu( 'primary' ) ) { wp_enqueue_script( 'twenty-twenty-one-primary-navigation-script', get_template_directory_uri() . '/assets/js/primary-navigation.js', - array( 'twenty-twenty-one-ie11-polyfills' ), + array(), wp_get_theme()->get( 'Version' ), array( 'in_footer' => false, // Because involves header. @@ -464,7 +425,7 @@ wp_enqueue_script( 'twenty-twenty-one-responsive-embeds-script', get_template_directory_uri() . '/assets/js/responsive-embeds.js', - array( 'twenty-twenty-one-ie11-polyfills' ), + array(), wp_get_theme()->get( 'Version' ), array( 'in_footer' => true ) ); Index: src/wp-content/themes/twentytwentyone/assets/js/polyfills.js =================================================================== --- src/wp-content/themes/twentytwentyone/assets/js/polyfills.js (revision 61303) +++ src/wp-content/themes/twentytwentyone/assets/js/polyfills.js (working copy) @@ -1,46 +0,0 @@ -/** - * File polyfills.js. - * - * Polyfills for IE11. - */ - -/** - * Polyfill for Element.closest() because we need to support IE11. - * - * @since Twenty Twenty-One 1.0 - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/Element/closest - */ -if ( ! Element.prototype.matches ) { - Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector; -} - -if ( ! Element.prototype.closest ) { - Element.prototype.closest = function( s ) { - var el = this; - do { - if ( Element.prototype.matches.call( el, s ) ) { - return el; - } - el = el.parentElement || el.parentNode; - } while ( el !== null && el.nodeType === 1 ); - return null; - }; -} - -/** - * Polyfill for NodeList.foreach() because we need to support IE11. - * - * @since Twenty Twenty-One 1.0 - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/NodeList/forEach - */ -if ( window.NodeList && ! NodeList.prototype.forEach ) { - NodeList.prototype.forEach = function( callback, thisArg ) { - var i; - thisArg = thisArg || window; - for ( i = 0; i < this.length; i++ ) { - callback.call( thisArg, this[i], i, this ); - } - }; -}