[1] [CITE[''''''[''''''whatwg'''''']'''''' Directory upload via <input type="file" directory>]]
( ([TIME[2010-04-22 21:27:08 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2010-April/025764.html>

[2] [CITE[Google Chrome Blog: Bringing another Chrome release to you, right on time]]
( ([TIME[2013-01-10 22:02:46 +09:00]] 版))
<http://chrome.blogspot.jp/2010/10/bringing-another-chrome-release-to-you.html>

[3] [CITE@en[Directory Upload]]
([TIME[2015-06-26 06:23:49 +09:00]] 版)
<https://microsoftedge.github.io/directory-upload/proposal.html>