Ticket #54886: 54886.diff

src/wp-admin/update-core.php

@@ -206 +206 @@
                         'available' => false,
                 )
         );
+
         if ( $dismissed ) {
-
                 $show_text = esc_js( __( 'Show hidden updates' ) );
                 $hide_text = esc_js( __( 'Hide hidden updates' ) );
                 ?>
-        <script type="text/javascript">
-                jQuery(function( $ ) {
-                        $( 'dismissed-updates' ).show();
-                        $( '#show-dismissed' ).toggle( function() { $( this ).text( '<?php echo $hide_text; ?>' ).attr( 'aria-expanded', 'true' ); }, function() { $( this ).text( '<?php echo $show_text; ?>' ).attr( 'aria-expanded', 'false' ); } );
-                        $( '#show-dismissed' ).click( function() { $( '#dismissed-updates' ).toggle( 'fast' ); } );
-                });
-        </script>
+                <script type="text/javascript">
+                        jQuery( function( $ ) {
+                                $( '#show-dismissed' ).on( 'click', function() {
+                                        var isExpanded = ( 'true' === $( this ).attr( 'aria-expanded' ) );
+
+                                        if ( isExpanded ) {
+                                                $( this ).text( '<?php echo $show_text; ?>' ).attr( 'aria-expanded', 'false' );
+                                        } else {
+                                                $( this ).text( '<?php echo $hide_text; ?>' ).attr( 'aria-expanded', 'true' );
+                                        }
+
+                                        $( '#dismissed-updates' ).toggle( 'fast' );
+                                });
+                        });
+                </script>
                 <?php
                 echo '<p class="hide-if-no-js"><button type="button" class="button" id="show-dismissed" aria-expanded="false">' . __( 'Show hidden updates' ) . '</button></p>';
                 echo '<ul id="dismissed-updates" class="core-updates dismissed">';