shikaku https://blog.hatena.ne.jp/shikaku/ shikaku's blog https://blog.systemjp.net/ javascript var tako; tako = obj.selectname.options[obj.selectname.selectedIndex].value; obj.text1.value = tako; ネタ元 http://kobarin.hateblo.jp/entry/20110712/1310457006 http://www.tohoho-web.com/lng/200002/00020406.htm 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F2014%2F06%2F26%2F174634" title="javascript ドロップダウンリストの選択肢の内容を得る - shikaku&#39;s blog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2014-06-26 17:46:34 rich https://blog.systemjp.net/entry/2014/06/26/174634 1.0 100%