Why does the progress bar jump from 100% back to 0% and start downloading again when downloading a file using the a tag in the browser?

Analysis of the phenomenon of downloading file with a tag in browser: 100% jump back to 0%

Some users are using it<a></a> When downloading a file with a tag, you encounter the situation where the download progress bar reaches 100%, and then jump back to 0% and start downloading again. This problem does not occur necessarily, but occurs occasionally and does not seem to be related to file size.

After analysis, this problem may be due to differences in the browser's own download mechanism. Different browsers handle download tasks differently, which may cause this abnormality. It is recommended to try changing the browser to verify that the problem is related to bugs in a specific browser. Using another browser may avoid this problem.

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