<input type=range>

<input type=range>

[1] IRC logs: freenode / #whatwg / 20110412 ( ( 版)) <http://krijnhoetmer.nl/irc-logs/whatwg/20110412>

[2] Web Applications 1.0 r7230 Mention that 'direction' is supposed to affect <input type=range> ( ( 版)) <http://html5.org/tools/web-apps-tracker?from=7229&to=7230>