jQuery grab a file uploaded with input type='file'
<p>I want to grab the file uploaded in a <code>&lt;input type='file'&gt;</code> tag.</p>

<p>When I do $('#inputId').val(), it only grabs the <em>name</em> of the file, not the actual file itself.</p>

<p>I'm trying to follow this: </p>

<p><a href="http://hacks.mozilla.org/2011/03/the-shortest-image-uploader-ever/">http://hacks.mozilla.org/2011/03/the-shortest-image-uploader-ever/</a></p>

<pre><code>function upload(file) {

  // file is from a &lt;input&gt; tag or from Drag'n Drop
  // Is the file an image?

  if (!file || !file.type.match(/image.*/)) return;

  // It is!
  // Let's build a FormData object

  var fd = new FormData();
  fd.append("image", file); // Append the file
  fd.append("key", "6528448c258cff474ca9701c5bab6927");
  // Get your own key: http://api.imgur.com/

  // Create the XHR (Cross-Domain XHR FTW!!!)
  var xhr = new XMLHttpRequest();
  xhr.open("POST", "http://api.imgur.com/2/upload.json"); // Boooom!
  xhr.onload = function() {
    // Big win!
    // The URL of the image is:
    JSON.parse(xhr.responseText).upload.links.imgur_page;
   }
   // Ok, I don't handle the errors. An exercice for the reader.
   // And now, we send the formdata
   xhr.send(fd);
 }
</code></pre>
