我做了一个问题，询问了10个问题，但是我想添加一个小计时器来显示用户在几秒钟内花了多长时间。我在网上寻求帮助但是我总是在显示计时器本身时遇到一些问题。
这是我的计划：
<html>
<head>
<title>Best Gaming Quiz Ever!</title>
</head>
<body>
<h1>Gaming Quiz</h1>
We have made 10 questions for you to answer about gaming and gaming companies. Do your best, and don't guess,
<br>it's really not that difficult. Also, try not to be a cheating noob and click "check answer" before you make your choice!
<br>Challenge yourself, and have fun!
<h2>Your mission:</h2>
Just pick the correct answer, duh, it's a quiz, what else?
<br>
<br>
<script type="text/javascript">
var allowPeeking = 1
var allowDoOvers = 1
questions = new Array();
// Q & A questions set as Arrays below
// Questions are used first
// Correct answer is followed with "right"
// all wrong ones with ""
questions[0] = ["Which are gaming companies?:", "Valve", "right", "Microsoft", "", "Apple", "", "FedEx", ""]
questions[1] = ["Which is a game?:", "Micrsoft Word", "", "Piskel", "", "Dota 2", "right", "csTimer.net", ""]
// To display question array list
for (i = 0; i < questions.length; i++) {
for (j = 0; j < questions[i].length; j++) {
if (questions[i][j] == "")
questions[i][j] = ("w" + i) + j
if (questions[i][j] == "right")
questions[i][j] = "right" + i
}
}
var ie = document.all
// diplays answer holder when button is pressed
function showAnswer(el, ans) {
ie ? ie[el].innerHTML = 'The answer is: ' + ans : document.getElementById(el).innerHTML = 'The answer is: ' + ans
}
function addup() {
var q, right, statement, total = 0
quizQuests = new Array();
for (i = 0; i < questions.length; i++)
quizQuests[i] = 0
if (document.forms.quiz.q0['right0']) {
for (i = 0; i < questions.length; i++) {
q = "q" + i
right = "right" + i
// takes away 1 if incorrect!
if (document.forms.quiz[q][right].checked)
quizQuests[i] += -1
}
} else if (document.getElementById) {
for (i = 0; i < questions.length; i++) {
right = "right" + i
// adds 2 if correct!
if (document.getElementById(right).checked)
quizQuests[i] = 2
}
} else
return;
for (i = 0; i < questions.length; i++)
total += quizQuests[i]
// Displays end score (Attempted to get percentage but remove as it wouldn't calculate correctly)
statement = 'You scored ' + total + ' points out of 20'
ie ? ie.results.innerHTML = statement : document.getElementById('results').innerHTML = statement
}
function clearR() {
ie ? ie.results.innerHTML = '' : document.getElementById('results').innerHTML = ''
for (i = 0; i < questions.length; i++)
if (allowPeeking)
ie ? ie["ans" + i].innerHTML = '' : document.getElementById("ans" + i).innerHTML = ''
window.scrollTo(0, 0);
}
document.write('<hr><form name="quiz">')
var correct, answersString
// displaying answers & checking correct / wrong choices
for (i = 0; i < questions.length; i++) {
answersString = ''
for (k = 1; k < questions[i].length; k += 2)
answersString += '<input id="' + questions[i][(k + 1)] + '" type="radio" unchecked name="q' + i + '"><label for="' + questions[i][(k + 1)] + '">' + questions[i][k] + '</label><br>'
for (j = 0; j < questions[i].length; j++) {
if (questions[i][j] == "right" + i)
correct = questions[i][j - 1]
}
with(document) {
write('Question ' + (i + 1) + ':<br><br>')
write(questions[i][0] + '<br>')
write(answersString)
// simply displays answer ("right" - 1)
if (allowPeeking)
write('<input class="chkans" type="button" value="Check Answer" onclick="showAnswer(\'ans' + i + '\',\'' + correct + '\')"> <span id="ans' + i + '" class="chkans"></span><br> ')
write('<br>')
}
}
with(document) {
// calls addup function
write('<hr><br>')
write('<input type="button" value="See Score" onclick="addup()"> <span id="results"></span><br> <br>')
// calls clearR function
if (allowDoOvers)
write('<input type="button" value="Start Again" onclick="reset();clearR()">')
write('</form>')
}
</script>
</body>
</html>
感谢任何帮助。
答案 0 :(得分：0)
检查以下答案。单击 See Score 按钮时，计时器将停止。
<html>
<head>
<title>Best Gaming Quiz Ever!</title>
</head>
<body>
<h1>Gaming Quiz</h1>
We have made 10 questions for you to answer about gaming and gaming companies. Do your best, and don't guess,
<br>it's really not that difficult. Also, try not to be a cheating noob and click "check answer" before you make your choice!
<br>Challenge yourself, and have fun!
<h2>Your mission:</h2>
Just pick the correct answer, duh, it's a quiz, what else?
<br>
<br>
<hr>
<br>
<b>Time taken:</b> <span id="timer">0</span> seconds
<br>
<br>
<script type="text/javascript">
var t = 0;
var runTimer = setInterval(function() {
t++;
document.getElementById("timer").innerHTML = t;
}, 1000);
var allowPeeking = 1
var allowDoOvers = 1
questions = new Array();
// Q & A questions set as Arrays below
// Questions are used first
// Correct answer is followed with "right"
// all wrong ones with ""
questions[0] = ["Which are gaming companies?:", "Valve", "right", "Microsoft", "", "Apple", "", "FedEx", ""]
questions[1] = ["Which is a game?:", "Micrsoft Word", "", "Piskel", "", "Dota 2", "right", "csTimer.net", ""]
// To display question array list
for (i = 0; i < questions.length; i++) {
for (j = 0; j < questions[i].length; j++) {
if (questions[i][j] == "")
questions[i][j] = ("w" + i) + j
if (questions[i][j] == "right")
questions[i][j] = "right" + i
}
}
var ie = document.all
// diplays answer holder when button is pressed
function showAnswer(el, ans) {
ie ? ie[el].innerHTML = 'The answer is: ' + ans : document.getElementById(el).innerHTML = 'The answer is: ' + ans
}
function addup() {
clearInterval(runTimer);
var q, right, statement, total = 0
quizQuests = new Array();
for (i = 0; i < questions.length; i++)
quizQuests[i] = 0
if (document.forms.quiz.q0['right0']) {
for (i = 0; i < questions.length; i++) {
q = "q" + i
right = "right" + i
// takes away 1 if incorrect!
if (document.forms.quiz[q][right].checked)
quizQuests[i] += -1
}
} else if (document.getElementById) {
for (i = 0; i < questions.length; i++) {
right = "right" + i
// adds 2 if correct!
if (document.getElementById(right).checked)
quizQuests[i] = 2
}
} else
return;
for (i = 0; i < questions.length; i++)
total += quizQuests[i]
// Displays end score (Attempted to get percentage but remove as it wouldn't calculate correctly)
statement = 'You scored ' + total + ' points out of 20'
ie ? ie.results.innerHTML = statement : document.getElementById('results').innerHTML = statement
}
function clearR() {
ie ? ie.results.innerHTML = '' : document.getElementById('results').innerHTML = ''
for (i = 0; i < questions.length; i++)
if (allowPeeking)
ie ? ie["ans" + i].innerHTML = '' : document.getElementById("ans" + i).innerHTML = ''
window.scrollTo(0, 0);
}
document.write('<hr><form name="quiz">')
var correct, answersString
// displaying answers & checking correct / wrong choices
for (i = 0; i < questions.length; i++) {
answersString = ''
for (k = 1; k < questions[i].length; k += 2)
answersString += '<input id="' + questions[i][(k + 1)] + '" type="radio" unchecked name="q' + i + '"><label for="' + questions[i][(k + 1)] + '">' + questions[i][k] + '</label><br>'
for (j = 0; j < questions[i].length; j++) {
if (questions[i][j] == "right" + i)
correct = questions[i][j - 1]
}
with(document) {
write('Question ' + (i + 1) + ':<br><br>')
write(questions[i][0] + '<br>')
write(answersString)
// simply displays answer ("right" - 1)
if (allowPeeking)
write('<input class="chkans" type="button" value="Check Answer" onclick="showAnswer(\'ans' + i + '\',\'' + correct + '\')"> <span id="ans' + i + '" class="chkans"></span><br> ')
write('<br>')
}
}
with(document) {
// calls addup function
write('<hr><br>')
write('<input type="button" value="See Score" onclick="addup()"> <span id="results"></span><br> <br>')
// calls clearR function
if (allowDoOvers)
write('<input type="button" value="Start Again" onclick="reset();clearR()">')
write('</form>')
}
</script>
</body>
</html>