June 2014
Intermediate to advanced
696 pages
38h 52m
English
Express includes a res.download() method that works very similarly to the res.sendfile() method, with only a few differences. The res.download() method sends a file in the HTTP response as an attachment, which means the Content-Disposition header is set. The res.download() method uses the following syntax:
res.download(path, [filename], [callback])
The path parameter points to the file to send to the client. The filename parameter can specify a different filename that should be sent in the Content-Disposition header. The callback function is executed after the file download has completed.
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