質問編集履歴
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全体のコードの掲載
test
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test
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@@ -97,3 +97,269 @@
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</div>
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```
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### ページ全体のコード
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```html
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<!DOCTYPE html>
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<html lang="ja">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>title</title>
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</head>
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<body>
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<!-- <meta name="Description" content=""> -->
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<div id="formWrap">
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<h2 class="center">タイトル</h2>
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<p>説明文</p>
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<form method="POST" action="check.php">
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<table class="formTable" bgcolor onload="functionName()">
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<form name="formName" method="post" action="./pathToProgramFile"></form>
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<tbody>
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<tr>
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<th>お名前 <span class="must">※必須</span></th>
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<td><input size="25" type="text" name="name"></td>
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</tr>
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<tr>
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</tr>
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<div>
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<form>
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<select name="selectName1" onChange="functionName()">
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<option value="jr-high">中学</option>
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<option value="high">高校</option>
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</select>
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<!--選択肢その2（選択肢その1の項目によって変化）-->
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<select name="selectName2"></select>
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</form>
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</div>
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<script>
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function functionName() {
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var select1 = document.forms[0][0];
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var select2 = document.forms[0][1];
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select2.options.length = 0;
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if (select1.options[select1.selectedIndex].value == "jr-high") {
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select2.options[0] = new Option("1");
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select2.options[1] = new Option("2");
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select2.options[2] = new Option("3");
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select2.options[3] = new Option("4");
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select2.options[4] = new Option("5");
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} else if (select1.options[select1.selectedIndex].value == "high") {
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select2.options[0] = new Option("A");
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select2.options[1] = new Option("B");
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select2.options[2] = new Option("C");
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select2.options[3] = new Option("D");
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select2.options[4] = new Option("E");
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select2.options[5] = new Option("F");
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select2.options[6] = new Option("G");
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select2.options[7] = new Option("H");
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select2.options[8] = new Option("I");
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select2.options[9] = new Option("J");
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select2.options[10] = new Option("K");
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select2.options[11] = new Option("L");
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}
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}
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</script>
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<style type="text/css">
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#formWrap {
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width:700px;
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margin:0 auto;
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color:#555;
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line-height:120%;
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font-size:90%;
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}
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table.formTable{
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width:100%;
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margin:0 auto;
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border-collapse:collapse;
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}
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table.formTable td,table.formTable th{
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border:1px solid #ccc;
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padding:10px;
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}
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table.formTable th{
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width:30%;
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font-weight:normal;
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background:#efefef;
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text-align:left;
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}
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@media screen and (max-width:572px) {
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#formWrap {
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width:95%;
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margin:0 auto;
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}
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table.formTable th, table.formTable td {
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width:auto;
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display:block;
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}
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table.formTable th {
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margin-top:5px;
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border-bottom:0;
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}
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input[type="text"], textarea {
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width:80%;
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padding:5px;
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font-size:110%;
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display:block;
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}
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input[type="submit"], input[type="reset"], input[type="button"] {
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display:block;
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width:100%;
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height:40px;
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}
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}
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.center{
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text-align: center;
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}
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p{
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text-align: center
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}
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.must{
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color: red;
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}
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</style>
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</body>
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</html>
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```
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