Ticket #22491: 22491.4.diff

wp-includes/js/autosave.js

@@ -2 +2 @@
 
 jQuery(document).ready( function($) {
 
-        autosaveLast = $('#post #title').val() + $('#post #content').val();
+        autosaveLast = ( $('#post #title').val() || '' ) + ( $('#post #content').val() || '' );
         autosavePeriodical = $.schedule({time: autosaveL10n.autosaveInterval * 1000, func: function() { autosave(); }, repeat: true, protect: true});
 
         //Disable autosave after the form has been submitted
@@ -35 +35 @@
                                 return autosaveL10n.saveAlert;
                 } else {
                         if ( fullscreen && fullscreen.settings.visible ) {
-                                title = $('#wp-fullscreen-title').val();
-                                content = $("#wp_mce_fullscreen").val();
+                                title = $('#wp-fullscreen-title').val() || '';
+                                content = $("#wp_mce_fullscreen").val() || '';
                         } else {
-                                title = $('#post #title').val();
-                                content = $('#post #content').val();
+                                title = $('#post #title').val() || '';
+                                content = $('#post #content').val() || '';
                         }
 
                         if ( ( title || content ) && title + content != autosaveLast )