var result = element.readyState; element.readyState = value;
The FileReader object can be in one of three states.
|EMPTY||0||The FileReader object has been constructed, and there are no pending reads. None of the read methods have been called. This is the default state of a newly created FileReader object, until one of the read methods has been called on it.|
|LOADING||1||A File or Blob is being read. One of the read methods is being processed, and no error has occurred during the read.|
|DONE||2||The entire File or Blob has been read into memory, a file error occurred during read, or the read was aborted using abort. The FileReader is no longer reading a File or Blob. If |
Microsoft Developer Network: [Windows Internet Explorer API reference Article]