{"id":107,"date":"2023-06-25T16:53:00","date_gmt":"2023-06-25T07:53:00","guid":{"rendered":"https:\/\/se-pg-toolbox.com\/?p=107"},"modified":"2023-06-25T16:53:00","modified_gmt":"2023-06-25T07:53:00","slug":"%e3%80%90javascript-%e5%9f%ba%e7%a4%8e%e7%b7%a8%e3%80%91disabled%e3%81%a7%e5%85%a5%e5%8a%9b%e9%a0%85%e7%9b%ae%e3%81%ae%e5%85%a5%e5%8a%9b%e3%82%92%e7%84%a1%e5%8a%b9%e3%81%ab%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/se-pg-toolbox.com\/?p=107","title":{"rendered":"\u3010JavaScript \u57fa\u790e\u7de8\u3011disabled\u3067\u5165\u529b\u9805\u76ee\u306e\u5165\u529b\u3092\u7121\u52b9\u306b\u3059\u308b"},"content":{"rendered":"\n<p>\u4eca\u56de\u306fJavaScript\u3092\u4f7f\u3063\u3066\u5165\u529b\u9805\u76ee\u306e\u5165\u529b\u7121\u52b9\u5316\u3092\u884c\u3044\u307e\u3059\u3002<br><br>\u3053\u306e\u5236\u5fa1\u306f\u5b9f\u969b\u306e\u958b\u767a\u306e\u73fe\u5834\u3067\u826f\u304f\u4f7f\u3046\u3082\u306e\u3067\u3042\u308a\u3001\u57fa\u790e\u3068\u3057\u3066\u77e5\u3063\u3066\u304a\u304b\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u306a\u306e\u3067\u3001\u5b9f\u969b\u306b\u30bd\u30fc\u30b9\u3092\u66f8\u3044\u3066\u52d5\u4f5c\u3059\u308b\u3068\u3053\u308d\u307e\u3067\u78ba\u8a8d\u3057\u3066\u307b\u3057\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br><br>\u524d\u56de\u306e\u8aac\u660e\u3067\u4f7f\u3063\u305f\u30bd\u30fc\u30b9\u306b\u4fee\u6b63\u3092\u52a0\u3048\u3066\u8aac\u660e\u3057\u307e\u3059\u306e\u3067\u3001\u3069\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u66f8\u3051\u3070\u5165\u529b\u9805\u76ee\u3067\u5165\u529b\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u51fa\u6765\u308b\u304b\u3001\u4fee\u6b63\u524d\u306e\u30bd\u30fc\u30b9\u3068\u4fee\u6b63\u5f8c\u306e\u30bd\u30fc\u30b9\u3092\u6bd4\u8f03\u3057\u306a\u304c\u3089\u898b\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u7406\u89e3\u3057\u3084\u3059\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u56de\u306e\u304a\u3055\u3089\u3044<\/h2>\n\n\n\n<p>\u524d\u56de\u306f\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u6642\u306b\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6700\u7d42\u7684\u306b\u4ee5\u4e0b\u306e\u30bd\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3001\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u6642\u306b\u5024\u3092\u8a2d\u5b9a\u3057\u305f\u3068\u3053\u308d\u307e\u3067\u78ba\u8a8d\u3067\u304d\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n    &lt;head&gt;\n\n    &lt;\/head&gt;\n    &lt;body&gt;\n        &lt;table&gt;\n            &lt;tr&gt;\n                &lt;td&gt;\n                    &lt;label&gt;\u679c\u7269\uff1a&lt;\/label&gt;&lt;input type=&quot;text&quot; id=&quot;fruit&quot; \/&gt;\n                &lt;\/td&gt;\n            &lt;\/tr&gt;\n            &lt;tr&gt;\n                &lt;td&gt;\n                    &lt;label&gt;\u91ce\u83dc\uff1a&lt;\/label&gt;&lt;input type=&quot;text&quot; id=&quot;vegetable&quot; \/&gt;\n                &lt;\/td&gt;\n            &lt;\/tr&gt;\n            &lt;tr&gt;\n                &lt;td&gt;\n                    &lt;select id=&quot;wantto&quot; name=&quot;wantto&quot;&gt;\n                        &lt;option&gt;\u3092\u98df\u3079\u305f\u304f\u306a\u3044&lt;\/option&gt;\n                        &lt;option&gt;\u304c\u98df\u3079\u305f\u3044&lt;\/option&gt;\n                    &lt;\/select&gt;\n                &lt;\/td&gt;\n            &lt;\/tr&gt;\n            &lt;tr&gt;\n                &lt;td&gt;\n                    &lt;label&gt;&lt;input type=&quot;radio&quot; name=&quot;price&quot; value=&quot;100yen&quot; \/&gt;100\u5186\u3067&lt;\/label&gt;\n                    &lt;label&gt;&lt;input type=&quot;radio&quot; name=&quot;price&quot; value=&quot;200yen&quot; \/&gt;200\u5186\u3067&lt;\/label&gt;\n                    &lt;label&gt;&lt;input type=&quot;radio&quot; name=&quot;price&quot; value=&quot;300yen&quot; \/&gt;300\u5186\u3067&lt;\/label&gt;\n                &lt;\/td&gt;\n            &lt;\/tr&gt;\n        &lt;\/table&gt;\n\n    &lt;\/body&gt;\n    &lt;script type=&quot;text\/javascript&quot;&gt;\n        window.onload = function(){\n            \/\/\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306e\u521d\u671f\u8a2d\u5b9a\n            var fruit = document.getElementById(&#039;fruit&#039;);\n            fruit.value = &#039;\u30aa\u30ec\u30f3\u30b8&#039;;\n\n            var vegetable = document.getElementById(&#039;vegetable&#039;);\n            vegetable.value = &#039;\u30ad\u30e3\u30d9\u30c4&#039;;\n\n            \/\/\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u306e\u8a2d\u5b9a\n            var wantto = document.getElementById(&#039;wantto&#039;).options;\n            wantto[1].selected = true;\n            \n            \/\/\u30e9\u30b8\u30aa\u30dc\u30bf\u30f3\u306e\u8a2d\u5b9a\n            var prices = document.getElementsByName(&#039;price&#039;);\n            prices[2].checked = true;\n        }\n\n    &lt;\/script&gt;\n&lt;\/html&gt;<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u4eca\u56de\u3084\u308a\u305f\u3044\u3053\u3068<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u4e0a\u8a18\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4fee\u6b63\u3057\u3066\u3001\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u6642\u306b\u5165\u529b\u9805\u76ee\u306b\u5165\u529b\u3067\u304d\u306a\u304f\u3059\u308b\u5236\u5fa1\u306b\u5909\u66f4\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br><br>\u5165\u529b\u9805\u76ee\u306b\u5165\u529b\u3067\u304d\u306a\u304f\u3059\u308b\u306e\u306f2\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<br><br>\u3053\u306e2\u3064\u306e\u65b9\u6cd5\u306e\u9055\u3044\u3092\u77e5\u308b\u3053\u3068\u3067\u3001\u73fe\u5834\u306e\u958b\u767a\u3067\u3082\u3057\u3063\u304b\u308a\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3067\u3057\u3087\u3046\u3002<br><br>\u3067\u306f\u3001\u65e9\u901f\u4eca\u56de\u306f\u3069\u3093\u306a\u30bd\u30fc\u30b9\u306b\u5909\u66f4\u3057\u305f\u306e\u304b\u3001\u898b\u3066\u3044\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4eca\u56de\u5909\u66f4\u3057\u305f\u30bd\u30fc\u30b9<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001HTML\u90e8\u5206\u306f\u305d\u306e\u307e\u307e\u306bjavaScript\u306e\u90e8\u5206\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>    &lt;script type=&quot;text\/javascript&quot;&gt;\n        window.onload = function(){\n            \/\/\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306e\u7121\u52b9\u5316\n            var fruit = document.getElementById(&#039;fruit&#039;);\n            fruit.disabled=true;\n\n            \/\/\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306e\u8aad\u307f\u53d6\u308a\u5c02\u7528\n            var vegetable = document.getElementById(&#039;vegetable&#039;);\n            vegetable.readOnly = true;\n\n            \/\/\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u306e\u7121\u52b9\u5316\n            var wantto = document.getElementById(&#039;wantto&#039;);\n            wantto.disabled = true;\n            \n            \/\/\u30e9\u30b8\u30aa\u30dc\u30bf\u30f3\u306e\u7121\u52b9\u5316\n            var prices = document.getElementsByName(&#039;price&#039;);\n            for(i =0 ; i&lt; prices.length; i++){\n                prices[i].disabled = true;\n            }\n        }\n\n    &lt;\/script&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u5165\u529b\u9805\u76ee\u3092ID\u3067\u53d6\u5f97\u3057\u3066\u3044\u308b\u306e\u306f\u524d\u56de\u3068\u540c\u3058\u3067\u3059\u304c\u3001<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>fruit.disabled=true;<\/code><\/pre><\/div>\n\n\n\n<p>\u3068<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>vegetable.readOnly = true;<\/code><\/pre><\/div>\n\n\n\n<p>\u306e\u3088\u3046\u306b\u3001disabled\u5c5e\u6027\u306btrue\u3092\u5165\u308c\u305f\u308a\u3001readOnly\u5c5e\u6027\u306btrue\u3092\u5165\u308c\u305f\u308a\u3057\u3066\u3044\u307e\u3059\u3002<br><br>disabled\u3092true\u306b\u3059\u308b\u304b\u3001readOnly\u3092true\u306b\u3059\u308b\u304b\u3001\u3044\u305a\u308c\u304b\u306e\u65b9\u6cd5\u3067\u5165\u529b\u9805\u76ee\u306b\u5165\u529b\u304c\u51fa\u6765\u306a\u304f\u306a\u308a\u307e\u3059\u3002<br><br>\u3053\u308c\u306f\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306b\u9650\u3089\u305a\u3001\u30e9\u30b8\u30aa\u30dc\u30bf\u30f3\u3084\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3067\u3082\u540c\u3058\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<br><br>\u3053\u306e\u30bd\u30fc\u30b9\u306b\u5909\u66f4\u3057\u305f\u5834\u5408\u306e\u52d5\u4f5c\u306e\u69d8\u5b50\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"441\" height=\"184\" src=\"https:\/\/se-pg-toolbox.com\/wp-content\/uploads\/2023\/06\/article4_1.png\" alt=\"JavaScript\u3067\u5165\u529b\u3092\u7121\u52b9\u306b\u3057\u305f\u5834\u5408\u306e\u8868\u793a\u306e\u69d8\u5b50\" class=\"wp-image-108\" \/><\/figure>\n\n\n\n<p>disabled\u5c5e\u6027\u3092true\u306b\u3057\u305f\u7b87\u6240\u304c\u30b0\u30ec\u30a4\u30a2\u30a6\u30c8\u3068\u306a\u308a\u3001\u5165\u529b\u3092\u53d7\u3051\u4ed8\u3051\u306a\u304f\u306a\u308a\u307e\u3059\u3002<br><br>readOnly\u5c5e\u6027\u3092true\u306b\u3057\u305f\u5834\u5408\u306f\u898b\u305f\u76ee\u304c\u5909\u308f\u3089\u305a\u306b\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d5\u30a9\u30fc\u30ab\u30b9\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u304c\u3001\u5165\u529b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<br><br><span class=\"marker\"><strong>disabled\u5c5e\u6027\u306f\u305d\u306e\u9805\u76ee\u81ea\u4f53\u3092\u7121\u52b9\u306b\u3057\u305f\u3044\u5834\u5408<\/strong><\/span>\u3001<span class=\"marker2\"><strong>readOnly\u306f\u305d\u306e\u9805\u76ee\u3092\u8868\u793a\u306e\u307f\u306b\u3057\u305f\u3044\u5834\u5408<\/strong><\/span>\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">disabled\u3068readOnly\u306e\u7570\u306a\u308b\u7b87\u6240<\/h2>\n\n\n\n<p>disabled\u3068readOnly\u306f\u898b\u305f\u76ee\u3067\u7570\u306a\u308b\u90e8\u5206\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5165\u529b\u3067\u304d\u306a\u304f\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u5171\u901a\u3057\u3066\u3044\u307e\u3059\u3002<br><br>\u3057\u304b\u3057\u3001\u3053\u306e2\u3064\u306f\u304d\u3061\u3093\u3068\u7406\u89e3\u3057\u3066\u4f7f\u3044\u5206\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br><br><span class=\"marker2\"><strong>disabled\u3092true<\/strong><\/span>\u306b\u3059\u308b\u3068\u753b\u9762\u306b\u5165\u529b\u9805\u76ee\u304c\u8868\u793a\u3055\u308c\u3066\u306f\u3044\u307e\u3059\u304c\u3001<span class=\"marker\"><strong>\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u60c5\u5831\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u305b\u3093\u3002<\/strong><\/span><br><br>\u4e00\u65b9\u3067<span class=\"marker2\"><strong>readOnly\u3092true<\/strong><\/span>\u306b\u3059\u308b\u3068\u3001<span class=\"marker\"><strong>\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u60c5\u5831\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/strong><\/span><br><br>\u3067\u3059\u306e\u3067\u3001disabled\u3092true\u306b\u3057\u305f\u9805\u76ee\u306f\u30d6\u30e9\u30a6\u30b6\u4e0a\u306e\u753b\u9762\u306b\u3053\u305d\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u306f\u8a8d\u8b58\u3067\u304d\u306a\u304f\u306a\u308b\u3053\u3068\u3092\u304d\u3061\u3093\u3068\u7406\u89e3\u3057\u3066\u5b9f\u969b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br><br>\u3053\u3053\u3092\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3068\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u30c7\u30fc\u30bf\u304c\u53d7\u4fe1\u3067\u304d\u306a\u3044\u3053\u3068\u3067\u3064\u307e\u305a\u304d\u3001\u3069\u3046\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u3067\u304d\u3066\u3044\u306a\u3044\u306e\u3060\u308d\u3046\u3068\u60a9\u3080\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff08\u81ea\u5206\u304c\u3053\u306e\u4ed5\u69d8\u3092\u77e5\u3089\u305a\u306b\u60a9\u3093\u3060\u3053\u3068\u304c\u5b9f\u969b\u306b\u3042\u308a\u307e\u3057\u305f\u306e\u3067\uff09\u3002<br><br><span class=\"marker\"><strong>disabled\u3092true\u306b\u3059\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u3055\u308c\u306a\u3044<\/strong>\u3002<\/span><br><br>\u3053\u306e\u3053\u3068\u306fweb\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306f\u5fc5\u305a\u7406\u89e3\u3057\u3066\u304a\u3044\u305f\u65b9\u304c\u3044\u3044\u3067\u3057\u3087\u3046\u3002<br><br>disabled\u3092true\u306b\u3057\u305f\u9805\u76ee\u3092\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u305f\u3044\u5834\u5408\u306f\u3001<span class=\"marker\"><strong>\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u76f4\u524d\u306bdisabled\u3092false\u306b\u3059\u308b<\/strong><\/span>\u3053\u3068\u3067\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002<br><br>\u3057\u304b\u3057\u3001disabled\u3092false\u306b\u3057\u3066\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u307e\u3067\u306e\u9593\u306b\u5165\u529b\u304c\u8d77\u304d\u306a\u3044\u3088\u3046\u306b\u3001\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u6ce8\u610f\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u8aac\u660e\u3057\u3066\u304d\u305f\u3053\u3068\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5165\u529b\u9805\u76ee\u3092\u5165\u529b\u4e0d\u53ef\u306b\u3059\u308b\u306b\u306fdisabled\u3001readOnly\u306e\u3044\u305a\u308c\u304b\u3092true\u306b\u3059\u308c\u3070\u3044\u3044<\/li>\n\n\n\n<li>disabled\u3092true\u306b\u3059\u308b\u3068\u5165\u529b\u9805\u76ee\u304c\u30b0\u30ec\u30a4\u30a2\u30a6\u30c8\u72b6\u614b\u306b\u306a\u308b<\/li>\n\n\n\n<li>readOnly\u3092true\u306b\u3059\u308b\u3068\u5165\u529b\u9805\u76ee\u306e\u898b\u305f\u76ee\u304c\u5909\u308f\u3089\u306a\u3044\u304c\u5165\u529b\u304c\u51fa\u6765\u306a\u3044\u72b6\u614b\u306b\u306a\u308b<\/li>\n\n\n\n<li>disabled\u3092true\u306b\u3059\u308b\u3068\u30b5\u30fc\u30d0\u30fc\u306b\u5165\u529b\u9805\u76ee\u306e\u5165\u529b\u60c5\u5831\u3092\u9001\u308b\u3053\u3068\u304c\u51fa\u6765\u306a\u304f\u306a\u308b\u304c\u3001readOnly\u3092true\u306b\u3059\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u5165\u529b\u60c5\u5831\u3092\u9001\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002<\/li>\n\n\n\n<li>disabled\u3068readOnly\u306f\u72b6\u6cc1\u306b\u3088\u3063\u3066\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u540c\u3058\u3088\u3046\u306a\u4f7f\u3044\u65b9\u3092\u3057\u3066\u306f\u3044\u3051\u306a\u3044\u3002<\/li>\n<\/ol>\n\n\n\n<p>disabled\u3068readOnly\u306f\u3069\u3061\u3089\u3082true\u306b\u3059\u308b\u3068\u5165\u529b\u9805\u76ee\u306b\u5165\u529b\u3067\u304d\u306a\u304f\u3059\u308b\u3082\u306e\u3067\u3059\u304c\u3001\u660e\u78ba\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<br><br>\u305d\u306e\u305f\u3081\u3001\u304d\u3061\u3093\u3068\u4e0a\u8a18\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u3066\u5b9f\u969b\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u5834\u3067\u4f7f\u3046\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br><br>\u306a\u304a\u3001\u4eca\u56de\u306e\u4fee\u6b63\u306b\u3088\u3063\u3066\u6700\u7d42\u7684\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30bd\u30fc\u30b9\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n    &lt;head&gt;\n\n    &lt;\/head&gt;\n    &lt;body&gt;\n        &lt;table&gt;\n            &lt;tr&gt;\n                &lt;td&gt;\n                    &lt;label&gt;\u679c\u7269\uff1a&lt;\/label&gt;&lt;input type=&quot;text&quot; id=&quot;fruit&quot; \/&gt;\n                &lt;\/td&gt;\n            &lt;\/tr&gt;\n            &lt;tr&gt;\n                &lt;td&gt;\n                    &lt;label&gt;\u91ce\u83dc\uff1a&lt;\/label&gt;&lt;input type=&quot;text&quot; id=&quot;vegetable&quot; \/&gt;\n                &lt;\/td&gt;\n            &lt;\/tr&gt;\n            &lt;tr&gt;\n                &lt;td&gt;\n                    &lt;select id=&quot;wantto&quot; name=&quot;wantto&quot;&gt;\n                        &lt;option&gt;\u3092\u98df\u3079\u305f\u304f\u306a\u3044&lt;\/option&gt;\n                        &lt;option&gt;\u304c\u98df\u3079\u305f\u3044&lt;\/option&gt;\n                    &lt;\/select&gt;\n                &lt;\/td&gt;\n            &lt;\/tr&gt;\n            &lt;tr&gt;\n                &lt;td&gt;\n                    &lt;label&gt;&lt;input type=&quot;radio&quot; name=&quot;price&quot; value=&quot;100yen&quot; \/&gt;100\u5186\u3067&lt;\/label&gt;\n                    &lt;label&gt;&lt;input type=&quot;radio&quot; name=&quot;price&quot; value=&quot;200yen&quot; \/&gt;200\u5186\u3067&lt;\/label&gt;\n                    &lt;label&gt;&lt;input type=&quot;radio&quot; name=&quot;price&quot; value=&quot;300yen&quot; \/&gt;300\u5186\u3067&lt;\/label&gt;\n                &lt;\/td&gt;\n            &lt;\/tr&gt;\n        &lt;\/table&gt;\n\n    &lt;\/body&gt;\n    &lt;script type=&quot;text\/javascript&quot;&gt;\n        window.onload = function(){\n            \/\/\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306e\u7121\u52b9\u5316\n            var fruit = document.getElementById(&#039;fruit&#039;);\n            fruit.disabled=true;\n\n            \/\/\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306e\u8aad\u307f\u53d6\u308a\u5c02\u7528\n            var vegetable = document.getElementById(&#039;vegetable&#039;);\n            vegetable.readOnly = true;\n\n            \/\/\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u306e\u7121\u52b9\u5316\n            var wantto = document.getElementById(&#039;wantto&#039;);\n            wantto.disabled = true;\n            \n            \/\/\u30e9\u30b8\u30aa\u30dc\u30bf\u30f3\u306e\u7121\u52b9\u5316\n            var prices = document.getElementsByName(&#039;price&#039;);\n            for(i =0 ; i&lt; prices.length; i++){\n                prices[i].disabled = true;\n            }\n        }\n\n    &lt;\/script&gt;\n&lt;\/html&gt;<\/code><\/pre><\/div>\n\n\n\n<p><br><br>\u3053\u306e\u30bd\u30fc\u30b9\u3092\u5b9f\u969b\u306b\u52d5\u4f5c\u3055\u305b\u3066\u307f\u308b\u3068\u9055\u3044\u304c\u5206\u304b\u308a\u3084\u3059\u3044\u306e\u3067\u3001\u305f\u3060\u3053\u306e\u8a18\u4e8b\u3092\u898b\u308b\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306b\u52d5\u304b\u3057\u3066\u52d5\u4f5c\u3092\u7406\u89e3\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><span class=\"marker\">\u4eca\u56de\u306e\u8a18\u4e8b\u306f\u3053\u3053\u307e\u3067\u3068\u306a\u308a\u307e\u3059\u3002<br>\u307e\u305f\u6b21\u56de\u306e\u8a18\u4e8b\u3067\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u56de\u306fJavaScript\u3092\u4f7f\u3063\u3066\u5165\u529b\u9805\u76ee\u306e\u5165\u529b\u7121\u52b9\u5316\u3092\u884c\u3044\u307e\u3059\u3002 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