I want to be able to preview a file (image) before it is uploaded.  The preview action should be executed all in the browser without using Ajax to upload the image.  How can I do this?...
I have a lot of problem to upload multiple images using AJAX. I write this code:  HTML  <form id="upload" method="post" enctype="multipart/form-data">     <div id="drop" class="drop-area">...
I have read this and this questions which seems to suggest that the file MIME type could be checked using javascript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side che...
I have a form with file upload capabilities and I would like to be able to have some nice client side error reporting if the file the user is trying to upload is too big, is there a way to check against file size with jQuery, either purely on the c...
There's a File object in JavaScript.  I want to instantiate one for testing purposes.  I have tried new File(), but I get an "Illegal constructor" error.  Is it possible to create a File object ?    File Object reference : https://devel...
This question already has an answer here:...
Hi i am trying to send file with xmlhttprequest with this code.  <script>     var url= "http://localhost:80/....";     $(document).ready(function(){         document.getElementById('upload').addEventListener('change',...
I am using this javascript that I got from here, and it works perfectly for what I need it to.  var _validFileExtensions = [".jpg", ".jpeg"];   function File_Validator(theForm){     var arrInputs = theForm.getElementsByTagName("...
So I have two forms, both have a file type input field and I tried  $('.inputfield1').change(function(){    var file = $(this).val();    $('.inputfield2').val(file); });   but then it doesn't get copied properly and firebug compla...
I want to add gmail-like file upload functionality for one of my projects. Can anybody help me with this?  My application is built in vb.net.  I would appreciate any kind of help or guidance.  Thanks...

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