回答編集履歴
5
追記
answer
CHANGED
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@@ -17,4 +17,201 @@
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「関数の定義ができないならしなければいいじゃない」（某漫画をオマージュ）
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```JS
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window.setTimeout(function(){document.getElementById("choices").style.display ="none";},2000);
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-
```
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```
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### 追記
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質問内容からずれますがこんなのはどうでしょうか？
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```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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<title>Quiz</title>
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<link rel="stylesheet" href="css/styles.css">
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</head>
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<body>
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<div class="container">
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<p id="question"></p>
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<ul id="choices"></ul>
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<section id="result">
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<p></p>
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<a href="">Replay?</a>
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</section>
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</div>
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<script src="js/main.js"></script>
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</body>
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</html>
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```
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```CSS
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body {
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background: #efdec1;
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font-size: 14px;
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font-family: Verdana, sans-serif;
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}
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.container {
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width: 400px;
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margin: 8px auto;
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background: #fff;
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border-radius: 4px;
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padding: 16px;
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position: relative;
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}
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#question {
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margin-bottom: 16px;
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font-weight: bold;
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}
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#choices {
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list-style: none;
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padding: 0;
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margin-bottom: 16px;
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}
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#choices > li {
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border: 1px solid #ccc;
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border-radius: 4px;
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padding: 10px;
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margin-bottom: 10px;
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cursor: pointer;
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}
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#choices > li:hover {
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background: #f8f8f8;
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}
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#choices > li.correct {
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background: #d4edda;
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border-color: #c3e6cb;
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color: #155724;
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font-weight: bold;
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}
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#choices > li.correct::after {
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content: " ... correct!";
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}
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#choices > li.wrong {
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background: #f8d8da;
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border-color: #f5c6cb;
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color: #721c24;
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font-weight: bold;
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}
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#choices > li.wrong::after {
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content: " ... wrong!";
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}
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#result > a {
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background: #3498db;
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padding: 8px;
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border-radius: 4px;
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cursor: pointer;
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text-align: center;
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color: #fff;
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box-shadow: 0 4px 0 #2880b9;
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}
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#result {
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position: absolute;
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width: 300px;
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background: #fff;
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padding: 30px;
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box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
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/* top: 50px; */
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top: -500px;
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left: 0;
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right: 0;
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margin: 0 auto;
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border-radius: 3px;
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text-align: center;
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transition: 0.4s ease-out;
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}
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#result.show {
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top: 50px;
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}
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#result > p {
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font-size: 24px;
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}
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#result > a {
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display: block;
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text-decoration: none;
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}
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```
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```JS
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'use strict';
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{
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const question = document.getElementById('question');
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const choices = document.getElementById('choices');
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const result = document.getElementById('result');
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const scoreLabel = document.querySelector('#result > p');
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const quizSet = [
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// {q: 'What is A?', c: ['A0', 'A1', 'A2']},
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// {q: 'What is B?', c: ['B0', 'B1', 'B2']},
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// {q: 'What is C?', c: ['C0', 'C1', 'C2']},
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{q: '世界で一番大きな湖は？', c: ['カスピ海', 'カリブ海', '琵琶湖']},
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{q: '2の8乗は？', c: ['256', '64', '1024']},
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{q: 'いま、何問目？', c: ['3問目', '4問目', '5問目']},
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];
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let currentNum = 0;
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let isAnswered;
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let score = 0;
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function shuffle(arr) {
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for (let i = arr.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[arr[j], arr[i]] = [arr[i], arr[j]];
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}
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return arr;
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}
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function checkAnswer(li) {
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if (isAnswered) {
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return;
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}
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isAnswered = true;
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if (li.textContent === quizSet[currentNum].c[0]) {
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li.classList.add('correct');
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score++;
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} else {
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li.classList.add('wrong');
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}
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}
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function setQuiz() {
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isAnswered = false;
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question.textContent = quizSet[currentNum].q;
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while (choices.firstChild) {
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choices.removeChild(choices.firstChild);
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}
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const shuffledChoices = shuffle([...quizSet[currentNum].c]);
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shuffledChoices.forEach(choice => {
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const li = document.createElement('li');
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li.textContent = choice;
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li.addEventListener('click', () => {
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checkAnswer(li);
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});
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choices.appendChild(li);
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});
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}
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setQuiz();
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window.setTimeout(function(){currentNum++;setQuiz();window.setTimeout(function(){currentNum++;setQuiz();window.setTimeout(function(){scoreLabel.textContent=`Score: ${score} / ${quizSet.length}`;result.classList.add('show');},5000);},5000);},5000);
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}
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```
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[サンプル](https://s.codepen.io/asuchi0819/debug/VwZQbMV/XBkGRqgpjLZA)
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4
追記
answer
CHANGED
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@@ -12,4 +12,9 @@
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}
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window.setTimeout("newi()", 10000);
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```
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17
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「関数の定義ができないならしなければいいじゃない」（某漫画をオマージュ）
|
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18
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```JS
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19
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window.setTimeout(function(){document.getElementById("choices").style.display ="none";},2000);
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```
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3
失敬
answer
CHANGED
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@@ -11,5 +11,5 @@
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document.getElementById("choices").style.display ="none";
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}
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setTimeout("newi()", 10000);
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window.setTimeout("newi()", 10000);
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```
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2
こんなとこか？
answer
CHANGED
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@@ -1,3 +1,15 @@
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1
1
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制限時間を付ける方法
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2
2
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3
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-
一定時間後JavaScriptで要素を非表示にしたりして操作できなくする。（本格的なものを作りたいなら不十分）
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3
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一定時間後JavaScriptで要素を非表示にしたりして操作できなくする。（本格的なものを作りたいなら不十分）
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4
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5
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```HTML
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6
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<ul id="choices"></ul>
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```
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8
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を非表示にしたいなら
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9
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```JavaScript
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function newi(){
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document.getElementById("choices").style.display ="none";
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}
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setTimeout("newi()", 10000);
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```
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1
追記
answer
CHANGED
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@@ -1,3 +1,3 @@
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1
1
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制限時間を付ける方法
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2
2
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3
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-
JavaScriptで要素を非表示にしたりして操作できなくする。（本格的なものを作りたいなら不十分）
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3
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一定時間後JavaScriptで要素を非表示にしたりして操作できなくする。（本格的なものを作りたいなら不十分）
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