{"id":1460,"date":"2022-02-15T10:34:46","date_gmt":"2022-02-15T01:34:46","guid":{"rendered":"https:\/\/blog.wsd.sh\/?p=1460"},"modified":"2022-02-15T17:44:23","modified_gmt":"2022-02-15T08:44:23","slug":"javascript-select%e3%81%aeoption%e3%82%92%e5%8b%95%e7%9a%84%e3%81%ab%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%99%82%e3%81%ab%e3%80%81%e5%88%9d%e6%9c%9f%e5%8c%96%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/blog.wsd.sh\/?p=1460","title":{"rendered":"<small>Javascript: select\u306eoption\u3092\u52d5\u7684\u306b\u8ffd\u52a0\u3059\u308b\u6642\u306b\u3001\u521d\u671f\u5316\u3059\u308b<\/small>"},"content":{"rendered":"<p>\uff11\uff0eselect\u306eoption\u3092\u52d5\u7684\u306b\u8ffd\u52a0\u3059\u308b\u6642\u306b\u3001\u521d\u671f\u5316\u3059\u308b<\/p>\n<p>\uff12\uff0e\u6761\u4ef6<br \/>\nindex\u306e0\u756a\u76ee\u306eoption\u306f\u3001&#8217; &#8216;\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u306e\u3092\u8868\u793a\u3059\u308b\u306e\u3067index==0\u306fremove\u3057\u306a\u3044<\/p>\n<p>\uff13\uff0ecode<\/p>\n<pre>\r\n  const element = document.getElementById(\"select_id\");\r\n  for (let i=element.length-1;i > 0; i--) {\r\n     element.remove( i );\r\n  }\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\uff11\uff0eselect\u306eoption\u3092\u52d5\u7684\u306b\u8ffd\u52a0\u3059\u308b\u6642\u306b\u3001\u521d\u671f\u5316\u3059\u308b \uff12\uff0e\u6761\u4ef6 index\u306e0\u756a\u76ee\u306eoption\u306f\u3001&#8217; &#8216;\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u306e\u3092\u8868\u793a\u3059\u308b\u306e\u3067index==0\u306fremove\u3057\u306a\u3044 \uff13\uff0ecod&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/1460"}],"collection":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1460"}],"version-history":[{"count":7,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/1460\/revisions"}],"predecessor-version":[{"id":1463,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/1460\/revisions\/1463"}],"wp:attachment":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}