upload file via FormData()

Im trying to upload a file via an jQuery ajax request, so What I have is:-
HTML:-
<input type="file" id="uplLogo" />

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jQuery:-
       $('#cmdSaveNewEntry').click(function () {
                var formData = new FormData();
                
                formData.append('function', 'Test');
                formData.append("userfile", $('#uplLogo')[0]files);
                
            
                $.ajax({
                    url: window.location.href + "function.php",
                    type: 'POST',
                    data: formData,
                    success: function (data)
                    {
                           alert(data);
                    }
                });
        });

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But it doesnt seem to post the file Ive selected, just an empty request on the 'request.php'.

Ive done some googling and cannot find a decent workable solution.

Anyone have any ideas?

Thank you
tonelm54Asked:
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leakim971PluritechnicianCommented:
What you want to know (especially the file and jQuery parts) :
https://developer.mozilla.org/en-US/docs/Web/Guide/Using_FormData_Objects#Sending_files_using_a_FormData_object

From yoru code, it look like you did not prevent to process the data with jQuery :

       $('#cmdSaveNewEntry').click(function () {
                var formData = new FormData();
                
                formData.append('function', 'Test');
                formData.append("userfile", $('#uplLogo')[0]files);
                
            
                $.ajax({
                    url: window.location.href + "function.php",
                    type: 'POST',
                    data: formData,
  processData: false,  // tell jQuery not to process the data
  contentType: false   // tell jQuery not to set contentType
                    success: function (data)
                    {
                           alert(data);
                    }
                });
        });

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