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by shurcooL
4676 days ago
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It doesn't have to be percentage, just seeing "x many bytes downloaded (out of unknown maximum)" increase is seeing progress. Seeing a spinner spin around may mean x is going up, or x is exactly where it was 30 seconds ago, but the spinner is made to always spin anyway. |
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What you described is a more general status indicator, bytes received, which I would display along with a transfer rate. That should not be shown as part of a progress bar because you don't know the percentage. However, I do agree that it's very useful information, and I always watch that kind of status indicator on FTP/SCP/torrent/copy+paste file transfers.
Unfortunately, browsers don't provide great feedback info to javascript even for that basic information about an ongoing request, if they provide any feedback at all. Usually you just get 'started' and then 'done'.