{"height":"190","url":"https://libkenta.hatenadiary.org/entry/20120523/1337780142","version":"1.0","blog_title":"\u304a\u3061\u308d\uff01\u304b\u3068\u3093\u307c\uff01","categories":["javascript"],"provider_url":"https://hatena.blog","published":"2012-05-23 22:35:42","author_url":"https://blog.hatena.ne.jp/libkenta/","width":"100%","title":" form \u9001\u4fe1\u6642\u306b\u7279\u5b9a\u306e\u8981\u7d20\u306e\u5024\u3092\u9001\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u306e\u6cd5","author_name":"libkenta","type":"rich","provider_name":"Hatena Blog","blog_url":"https://libkenta.hatenadiary.org/","description":"<select name=\"foo\"> \u306a\u5974\u306e <option> \u304c 'None' \u3060\u3063\u305f\u5834\u5408\u306f\u3001\u305d\u306e\u540d\u524d\u306e\u5024\u3092\u9001\u308a\u305f\u304f\u306a\u3044\u307f\u305f\u3044\u306a\u4e8b\u304c\u3084\u308a\u305f\u304f\u3066\u3001jQuery \u5165\u3063\u3066\u308b\u74b0\u5883\u3060\u3063\u305f\u306e\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u305f\u3002$(document).ready(function() { $('form').submit(function() { var $target = $(this).find('select[name=foo]'); if ($target.val() == 'None') { $target.attr('disabled', 'disabled'); } }); }); $(window).u\u2026","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flibkenta.hatenadiary.org%2Fentry%2F20120523%2F1337780142\" title=\" form \u9001\u4fe1\u6642\u306b\u7279\u5b9a\u306e\u8981\u7d20\u306e\u5024\u3092\u9001\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u306e\u6cd5 - \u304a\u3061\u308d\uff01\u304b\u3068\u3093\u307c\uff01\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}