The FileReader
readyState
property provides the current state of the reading operation a FileReader
is in. A FileReader
exists in one of the following states:
Value | State | Description |
---|---|---|
0 |
EMPTY |
Reader has been created. None of the read methods called yet. |
1 |
LOADING |
A read method has been called. |
2 |
DONE |
The operation is complete. |
-
EMPTY
-
The
FileReader
has been created, but no readAs method was called yet. -
LOADING
-
A readAs method was invoked. A
File
orBlob
is being read, and no error has occurred yet. -
DONE
-
The read operation is complete. This could mean that: the entire
File
orBlob
has been read into memory, a file read error occurred, orabort()
was called and the read was cancelled.