code: function setupClipboard(element, opts) {
  
          if (!FileReaderJS.enabled) {
              return;
          }
          var instanceOptions = extend(extend({}, FileReaderJS.opts), opts);
  
          element.addEventListener("paste", onpaste, false);
  
          function onpaste(e) {
              var files = [];
              var clipboardData = e.clipboardData || {};
              var items = clipboardData.items || [];
  
              for (var i = 0; i < items.length; i++) {
                  var file = items[i].getAsFile();
  
                  if (file) {
  
                      // Create a fake file name for images from clipboard, since this data doesn't get sent
                      var matches = new RegExp("/\(.*\)").exec(file.type);
                      if (!file.name && matches) {
                          var extension = matches[1];
                          file.name = "clipboard" + i + "." + extension;
                      }
  
                      files.push(file);
                  }
              }
  
              if (files.length) {
                  processFileList(e, files, instanceOptions);
                  e.preventDefault();
                  e.stopPropagation();
              }
          }
      }
docs: setupClipboard: bind to clipboard events (intended for document.body)