javascript - get file name from file upload using jquery and set filename to a text field -

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i have filename of uploaded file , set textfield

i have done follows 

<input type="file" name = "filename" id="upload"> <input type="text" name = "file" id="file">

//jquery

$('#upload').change(function() {     var filename = $('input[type=file]').val().split('\\').pop();     var lastindex = filename.lastindexof("\\");     $('#file').val(filename); });

and tried this

$('#upload').change(function() {     var filename = $(this).val();     var lastindex = filename.lastindexof("\\");     if (lastindex >= 0) {         filename = filename.substring(lastindex + 1);     }     $('#file').val(filename); });

but filename not displayed in textfield.

you supposed using jquery inside document ready. might have forgotten add that. here working code.

      $(document).ready(function() {        $('#upload').change(function() {         var filename = $('input[type=file]').val().split('\\').pop();        console.log(filename,$('#file'));          var lastindex = filename.lastindexof("\\");             $('#file').val(filename);      });        });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>  <input type="file" name = "filename" id="upload">                                  <input type="text" name = "file" id="file">


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