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所以我試圖做一個quiz.html文件，它會提示用戶輸入no。他們想回答的問題。根據他們的意見，會產生隨機問題。所以我明白它必須是一個循環，直到不循環。輸入到警報框中。
所以我的scoreMe（）函數顯然沒有給出任何答案。我試圖檢查一個特定問題的選中單選按鈕是否等於正確的答案，但我只是得到了0％的分數。那麼誰能告訴我我的代碼有什麼問題？在javascript中做一個隨機測驗
<div id="quesRes"></div>
<script>
var quizObj = [
{
"question": "What is the capital of Bangladesh?",
"choice": ["Dhaka", "Chittagong", "Sylhet"],
"correct": ["Dhaka"]
},
{
"question": "What does 2+2 equal to?",
"choice": ["3", "2", "4"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["4"]
},
{
"question": "What is the real name of Damon Salvatore?",
"choice": ["Paul Wesley", "Steven McQueen", "Ian Somerhalder"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["Ian Somerhalder"]
},
{
"question": "What is the name of the largest planet in the universe?",
"choice": ["Earth", "Jupiter", "Uranus"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["Jupiter"]
},
{
"question": "What is the capital of New York?",
"choice": ["Manhattan", "NYC", "Albany"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["Albany"]
},
{
"question": "How many bones does the human body have?",
"choice": ["109", "206", "114"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["206"]
},
{
"question": "What is the alter ego of Batman?",
"choice": ["Bruce Banner", "Bruce Wayne", "Tony Stark"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["Bruce Wayne"]
},
{
"question": "How many books are there in the Harry Potter series?",
"choice": ["7", "5", "8"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["7"]
},
{
"question": "What is Naruto's surname?",
"choice": ["Sarutobi", "Uchiha", "Uzumaki"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["Uzumaki"]
},
{
"question": "What is the name of Sherlock Holmes' partner?",
"choice": ["Peterson", "Watson", "Hanson"], //quizObj[2].choice[0],quizObj[2].choice[1]
"correct": ["Watson"]
},
];
var track = [];
var maxQues = prompt("How many questions do you want to answer?", "5");
var rand = Math.floor(Math.random() * maxQues);
var str='<h4>Answer all the questions</h4>';
for(var i=0;i<maxQues;i++){
var rand = Math.floor(Math.random() * maxQues);
str+=(i+1)+'. '+quizObj[rand].question+'<br>';
str+='<form><table>'+
'<tr><td id="a1"><input type="radio" name="radio' + i + '"/>'+' '+quizObj[rand].choice[0]+'</td></tr>'+
'<tr><td id="a2"><input type="radio" name="radio' + i + '" />'+' '+quizObj[rand].choice[1]+'</td></tr>'+
'<tr><td id="a3"><input type="radio" name="radio' + i + '"/>'+' '+quizObj[rand].choice[2]+'</td></tr>'+
'</table></form><br>';
track[i]=rand;
}
str += '<input value="Submit" type="button" onclick="scoreMe()"><br><br>';
str += 'Score: <input id="score" type="text" size="8" ><br><br><br>';
document.getElementById('quesRes').innerHTML = str;
function scoreMe(){
var sum=0;
for(var j=0;j<maxQues;j++){
for(var k=0;k<3;k++){
if(quizObj[track[j]].choice[k].checked===quizObj[track[j]].correct[0]){
console.log('Works'+j);
sum++;
}
}
}
document.getElementById('score').value = ((sum/maxQues)*100)+'%';
}
</script>
@BlackPOP：審查修改時請注意。從'quiz.html'到'測驗的編輯。 HTML'確實無效。 – Cerbrus 2015-01-21 11:39:27