jQuery UI Dialog with iFRAME -

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i'm implementing jquery ui dialog iframe. dialog has iframe has file upload page.
fine, closing dialog iframe page got problem.

the below code:

parent page

<!-- upload file form --> <div id="dialog-upload" class="dialog" title="upload file" style="display:none">     <div class="message error"></div>     <iframe id="upload-form" src="file_upload.php" width="276" height="195" frameborder="0"></iframe> </div> <!-- button launch dialog -->     <button id="btnupload">upload</button>  <script type="text/javascript">     function _finishupload(){         console.log($('#dialog-upload')); // element outputed in console         $('#dialog-upload').dialog( 'close' ); // dialog not closed.         //$('#dialog-upload').hide() // code executed.     }      function _fileupload(){                  var doc = $('#upload-form')[0].contentwindow; // iframe document         $('#dialog-upload').find('.message').html('').hide();         var file = doc.$('form').find('#file').val();         if( ! file ){             $('#dialog-upload').find('.message').html('please select file.').show();         }else{                           doc.$('form').submit(); // submit form in iframe dialog         }                },            $(document).ready( function(){         $( "#dialog-upload" ).dialog({             modal: true,             autoopen: false,             resizable: false,                            buttons: {                 ok: function() {                     _fileupload();                 },                 cancel: function(){                     $(this).dialog( "close" );                 }             }                        });          $( '#btnupload' ).click(function(){             $('#dialog-upload').dialog( 'open' );          });          } );                     </script>

iframe page

<!doctype html> <html xmlns="http://www.w3.org/1999/xhtml"> <head></head> <body>     <div class="dialog" style="display:block">         <form name="frmfileupload" method="post" enctype="multipart/form-data">             <fieldset>                 <label for="txttitle">upload file</label>                                 <input type="file" name="file" id="file" class="text ui-widget-content ui-corner-all" />             </fieldset>         </form>     </div> </body> </html> <?php if(sizeof($_post)){ # trigger when form submitted ?> <script type="text/javascript">     window.parent._finishupload(); // executed, dialog not closed </script>    <?php } ?>

i tried window.parent.$('#dialog-upload').dialog('close'); in iframe, failed.

this bug jquery mobile work iframe. refer this: https://github.com/jquery/jquery-mobile/issues/4822


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