WordPress 4.1.4-scripts

[autoinstalls/wordpress.git] / wp-includes / js / customize-base.js

diff --git a/wp-includes/js/customize-base.js b/wp-includes/js/customize-base.js
index 6c41b40c43d52c2e7e8730d9170f46d1dd928c77..5ffa9245647baa9da9ddc481f69959a50fda185a 100644 (file)
--- a/wp-includes/js/customize-base.js
+++ b/wp-includes/js/customize-base.js
@@ -158,6 +158,7 @@ window.wp = window.wp || {};
                initialize: function( initial, options ) {
                        this._value = initial; // @todo: potentially change this to a this.set() call.
                        this.callbacks = $.Callbacks();
+                       this._dirty = false;
 
                        $.extend( this, options || {} );
 
@@ -183,10 +184,12 @@ window.wp = window.wp || {};
                        to = this.validate( to );
 
                        // Bail if the sanitized value is null or unchanged.
-                       if ( null === to || this._value === to )
+                       if ( null === to || _.isEqual( from, to ) ) {
                                return this;
+                       }
 
                        this._value = to;
+                       this._dirty = true;
 
                        this.callbacks.fireWith( this, [ to, from ] );
 
@@ -423,10 +426,14 @@ window.wp = window.wp || {};
 
                                if ( this.element.is('input') ) {
                                        type = this.element.prop('type');
-                                       if ( api.Element.synchronizer[ type ] )
+                                       if ( api.Element.synchronizer[ type ] ) {
                                                synchronizer = api.Element.synchronizer[ type ];
-                                       if ( 'text' === type || 'password' === type )
+                                       }
+                                       if ( 'text' === type || 'password' === type ) {
                                                this.events += ' keyup';
+                                       } else if ( 'range' === type ) {
+                                               this.events += ' input propertychange';
+                                       }
                                } else if ( this.element.is('textarea') ) {
                                        this.events += ' keyup';
                                }