diff -r c7c34916027a -r 177826044cd9 wp/wp-includes/js/customize-preview.js --- a/wp/wp-includes/js/customize-preview.js Mon Oct 14 18:06:33 2019 +0200 +++ b/wp/wp-includes/js/customize-preview.js Mon Oct 14 18:28:13 2019 +0200 @@ -1,5 +1,7 @@ /* * Script run inside a Customizer preview frame. + * + * @output wp-includes/js/customize-preview.js */ (function( exports, $ ){ var api = wp.customize, @@ -235,7 +237,7 @@ * @returns {void} */ api.addLinkPreviewing = function addLinkPreviewing() { - var linkSelectors = 'a[href], area'; + var linkSelectors = 'a[href], area[href]'; // Inject links into initial document. $( document.body ).find( linkSelectors ).each( function() { @@ -335,6 +337,11 @@ api.prepareLinkPreview = function prepareLinkPreview( element ) { var queryParams, $element = $( element ); + // Skip elements with no href attribute. Check first to avoid more expensive checks down the road + if ( ! element.hasAttribute( 'href' ) ) { + return; + } + // Skip links in admin bar. if ( $element.closest( '#wpadminbar' ).length ) { return; @@ -377,11 +384,6 @@ queryParams.customize_messenger_channel = api.settings.channel; } element.search = $.param( queryParams ); - - // Prevent links from breaking out of preview iframe. - if ( api.settings.channel ) { - element.target = '_self'; - } }; /** @@ -779,7 +781,7 @@ api.settings.changeset.uuid = uuid; // Update UUIDs in links and forms. - $( document.body ).find( 'a[href], area' ).each( function() { + $( document.body ).find( 'a[href], area[href]' ).each( function() { api.prepareLinkPreview( this ); } ); $( document.body ).find( 'form' ).each( function() { @@ -813,7 +815,7 @@ api.settings.changeset.autosaved = true; // Start deferring to any autosave once changeset is updated. - $( document.body ).find( 'a[href], area' ).each( function() { + $( document.body ).find( 'a[href], area[href]' ).each( function() { api.prepareLinkPreview( this ); } ); $( document.body ).find( 'form' ).each( function() {