Menus: Improve performance for title live updating. Add change event for IE < 9.

ocean90 · ocean90 · commit 97921c9fa5c5 · 2014-09-02T13:22:14.000Z
props helen, SergeyBiryukov. fixes #23076. git-svn-id: https://develop.svn.wordpress.org/trunk@29672 602fd350-edb4-49c9-b593-d223f7449a82
diff --git a/src/wp-admin/js/nav-menu.js b/src/wp-admin/js/nav-menu.js
@@ -534,7 +534,7 @@ var wpNavMenu;
 
 		initPreviewing : function() {
 			// Update the item handle title when the navigation label is changed.
-			$( 'body' ).on( 'input', '.edit-menu-item-title', function(e) {
+			$( '#menu-to-edit' ).on( 'change input', '.edit-menu-item-title', function(e) {
 				var input = $( e.currentTarget ), title, titleEl;
 				title = input.val();
 				titleEl = input.closest( '.menu-item' ).find( '.menu-item-title' );
