Ticket #5719: 5719.patch

_source/plugins/dialogui/plugin.js

@@ -87 +87 @@
                                 {
                                         dialog.on( 'load', function()
                                                 {
-                                                        this.getInputElement().on( 'change', function(){ this.fire( 'change', { value : this.getValue() } ); }, this );
-                                                }, this );
+                                                        this.getInputElement().on( 'change', function()
+                                                        {
+                                                                // Make sure 'onchange' doesn't get fired after dialog closed. (#5719)
+                                                                if ( !dialog.parts.dialog.isVisible() )
+                                                                        return;
+                                                                
+                                                                this.fire( 'change', { value : this.getValue() } );
+                                                        }, this );
+                                                }, this );
                                         this._.domOnChangeRegistered = true;
                                 }