This interface expands on the FileSaver interface to allow for
multiple write actions, rather than just saving a single Blob.
Operations |
void | - seek(long long offset)
- Seek sets the file position at which the next write will occur.
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void | - truncate(unsigned long long size)
- Changes the length of the file to that specified. If shortening the
file, data beyond the new length must be discarded. If extending
the file, the existing data must be zero-padded up to the new
length.
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void | - write(Blob data)
- Write the supplied data to the file at position. When
the write method is called, user agents must run
the steps below (unless otherwise indicated).
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