javascript计时器中的函数数组（）{[本机代码]}错误
我正在尝试为在线考试系统实现一个倒计时计时器。我编写了以下代码，但它显示的是javascript计时器中的函数数组（）{[本机代码]}错误,javascript,timer,Javascript,Timer,我正在尝试为在线考试系统实现一个倒计时计时器。我编写了以下代码，但它显示的是00:function array（）{[native code]}:59，而不是计时器2:00。我不知道哪里出了错。下面是我的定时器代码 //***********************************************// //* Online Examination System *// //*-----------------------------------
00:function array（）{[native code]}:592:00//***********************************************//
//* Online Examination System *//
//*---------------------------------------------*//
//* *//
//* Author: chandra sai & omkar *//
//* Title: Count Down Timer *//
//***********************************************//
function countDown() {
sec--;
if (sec == -01) {
sec = 59;
min = min - 1;
if (min == -01) {
min = 59;
hour = hour - 1;
} else {
hour = hour;
}
} else {
min = min;
}
if (sec <= 9) {
sec = "0" + sec;
}
time = (hour <= 9 ? "0" + hour : hour) + " : " + (min <= 9 ? "0" + min : min) + " : " + sec + "";
if (document.getElementById) {
document.getElementById('timer').innerHTML = time;
}
SD = window.setTimeout("countDown();", 1000);
if (hour == '00' && min == '00' && sec == '00') {
sec = "00";
min = "00";
window.clearTimeout(SD);
window.location = document.forms[0].action + "?fs=yes";
}
}
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
addLoadEvent(function() {
countDown();
});
//***********************************************//
//*在线考试系统*//
//*---------------------------------------------*//
//* *//
//*作者：chandra sai&omkar*//
//*标题：倒计时*//
//***********************************************//
函数倒计时（）{
第二节；
如果（秒==-01）{
秒=59；
min=min-1；
如果（最小==-01）{
最小值=59；
小时=小时-1；
}否则{
小时=小时；
}
}否则{
min=min；
}
如果（第
-->
要获得正确的功能，必须使用支持Javascript的浏览器
在线考试系统…因为考试很重要
问题不
地位
改变你的答案
1.
2.
测试摘要
学名
试验
样品试验
主题
C程序设计
测试持续时间
00:02:00
最高分数
2.
获得分数
百分比
详细的测试信息
问题：没有
问题:
正确答案
你的回答
分数
1.
以下哪项是非基本数据类型
int
2.
谁是“C编程语言”的创造者？
丹尼斯·里奇
问题2
批改
谁是“C编程语言”的创造者？
1.>Bjarne Stroustrup
3.肯·汤普森
问题1
批改
以下哪项是非基本数据类型
1.>字符串
3.>字符
<?php
/*
* **************************************************
* ** Online Examination System ***
* **---------------------------------------------***
* ** ***
* ** Author:chandra sai & omkar ***
* ** Title: Practice Test ***
* **************************************************
*/
error_reporting(0);
session_start();
include_once 'oesdb.php';
$final = false;
if (!isset($_SESSION['stdname'])) {
$_GLOBALS['message'] = "Session Timeout.Click here to <a href=\"index.php\">Re-LogIn</a>";
} else if (isset($_REQUEST['logout'])) {
//Log out and redirect login page
unset($_SESSION['stdname']);
unset($_SESSION['stdid']);
header('Location: index.php');
} else if (isset($_REQUEST['dashboard'])) {
//redirect to dashboard
//
header('Location: stdwelcome.php');
} else if (isset($_REQUEST['next']) || isset($_REQUEST['fsum'])) {
//Process first question
if (isset($_REQUEST['markreview'])) {
$_SESSION['q1status'] = 'review';
$_SESSION['q1stdans'] = $_REQUEST['answer'];
} else {
$_SESSION['q1status'] = 'answered';
$_SESSION['q1stdans'] = $_REQUEST['answer'];
}
$_SESSION['curqnid'] = 2;
if (isset($_REQUEST['fsum'])) {
$_REQUEST['summary'] = "summary";
}
} else if (isset($_REQUEST['viewsummary']) || isset($_REQUEST['summary'])) {
//Process Second question
if (isset($_REQUEST['markreview'])) {
$_SESSION['q2status'] = 'review';
$_SESSION['q2stdans'] = $_REQUEST['answer'];
} else {
$_SESSION['q2status'] = 'answered';
$_SESSION['q2stdans'] = $_REQUEST['answer'];
}
$_SESSION['curqnid'] = 0;
} else if (!isset($_SESSION['starttime']) && !isset($_REQUEST['finalsubmit'])) {
//firsttime entry
$_SESSION['starttime'] = time();
$_SESSION['curqnid'] = 1;
$_SESSION['q1status'] = "unanswered";
$_SESSION['q1stdans'] = "unanswered";
$_SESSION['q2status'] = "unanswered";
$_SESSION['q2stdans'] = "unanswered";
} else if (isset($_REQUEST['change'])) {
//redirect to testconducter
$_SESSION['curqnid'] = substr($_REQUEST['change'], 7);
// header('Location: practicetest.php');
} else if (isset($_REQUEST['previous'])) {
if (isset($_REQUEST['markreview'])) {
$_SESSION['q2status'] = 'review';
$_SESSION['q2stdans'] = $_REQUEST['answer'];
} else {
$_SESSION['q2status'] = 'answered';
$_SESSION['q2stdans'] = $_REQUEST['answer'];
}
$_SESSION['curqnid'] = 1;
} else if (isset($_REQUEST['summary'])) {
// nothing to do
} else if (isset($_REQUEST['finalsubmit'])) {
// nothing to do
} else if (isset($_REQUEST['fs'])) {
//Final Submission
header('Location: practicetest.php?finalsubmit=yes');
}
?>
<?php
header("Cache-Control: no-cache, must-revalidate");
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>OES-Practice</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<meta http-equiv="CACHE-CONTROL" content="NO-CACHE"/>
<meta http-equiv="PRAGMA" content="NO-CACHE"/>
<meta name="ROBOTS" content="NONE"/>
<link rel="stylesheet" type="text/css" href="oes.css"/>
<script type="text/javascript" src="validate.js" ></script>
<script type="text/javascript" src="cdtimer.js" ></script>
<script type="text/javascript" >
<!--
<?php
if (!isset($_REQUEST['finalsumbit']) && isset($_SESSION['starttime'])) {
$elapsed = (time() - $_SESSION['starttime']);
if (($elapsed / 60) < 2) {
echo "var hour=00;";
if ($elapsed == 0)
$elapsed = 1;
echo "min=" . (array) (2 - ($elapsed / 60)) . ";";
if ($elapsed > 60)
echo "sec=" . (60 - ($elapsed - 60)) . ";";
else
echo "sec=" . (60 - $elapsed) . ";";
}
else {
echo "var hour=0;var min=0;sec=01;";
unset($_SESSION['starttime']);
}
}
?>
-->
</script>
</head>
<body >
<noscript><h2>For the proper Functionality, You must use Javascript enabled Browser</h2></noscript>
<?php
if ($_GLOBALS['message']) {
echo "<div class=\"message\">" . $_GLOBALS['message'] . "</div>";
}
?>
<div id="container">
<div class="header">
<img style="margin:10px 2px 2px 10px;float:left;" height="150" width="150" src="images/logo.png" alt="OES"/><h3 class="headtext"> Online Examination System </h3><h4 style="color:#ffffff;text-align:center;margin:0 0 5px 5px;"><i>...because Examination Matters</i></h4>
</div>
<form id="practicetest" action="practicetest.php" method="post">
<div class="menubar">
<ul id="menu">
<?php
if (isset($_SESSION['stdname'])) {
// Navigations
if ($_REQUEST['finalsubmit']) {
?>
<li><input type="submit" value="LogOut" name="logout" class="btn btn-primary" title="Log Out"/></li>
<li><input type="submit" value="DashBoard" name="dashboard" class="btn btn-primary" title="Dash Board"/></li>
<?php
}
?>
</ul>
</div>
<div class="page">
<?php
if (isset($_REQUEST['summary']) || isset($_REQUEST['viewsummary'])) {
$_SESSION['curqnid'] = 0;
//summary
?>
<table border="0" width="100%" class="ntab">
<tr>
<th style="width:40%;"><h3><span id="timer" class="timerclass"></span></h3></th>
</tr>
</table>
<table cellpadding="30" cellspacing="10" class="datatable">
<tr>
<th>Question No</th>
<th>Status</th>
<th>Change Your Answer</th>
</tr>
<tr>
<td>1</td>
<td <?php if (strcmp($_SESSION['q1status'], "review") == 0 || strcmp($_SESSION['q1status'], "unanswered") == 0) {
echo "style=\"color:#ff0000;\"";
} ?> > <?php echo $_SESSION['q1status']; ?></td>
<td><?php echo "<input type=\"submit\" value=\"Change 1 \" name=\"change\" class=\"ssubbtn\" />"; ?></td>
</tr>
<tr>
<td>2</td>
<td <?php if (strcmp($_SESSION['q2status'], "review") == 0 || strcmp($_SESSION['q2status'], "unanswered") == 0) {
echo "style=\"color:#ff0000;\"";
} ?> > <?php echo $_SESSION['q2status']; ?></td>
<td><?php echo "<input type=\"submit\" value=\"Change 2 \" name=\"change\" class=\"ssubbtn\" />"; ?></td>
</tr>
<tr>
<td colspan="3" style="text-align:center;"><input type="submit" name="finalsubmit" value="Final Submit" class="subbtn"/></td>
</tr>
</table>
<?php
} else if (isset($_REQUEST['finalsubmit'])) {
?>
<table cellpadding="20" cellspacing="30" border="0" style="background:#ffffff url(images/page.gif);text-align:left;line-height:20px;">
<tr>
<td colspan="2"><h3 style="color:#0000cc;text-align:center;">Test Summary</h3></td>
</tr>
<tr>
<td colspan="2" ><hr style="color:#ff0000;border-width:4px;"/></td>
</tr>
<tr>
<td>Student Name</td>
<td><?php echo $_SESSION['stdname']; ?></td>
</tr>
<tr>
<td>Test</td>
<td>Sample Test</td>
</tr>
<tr>
<td>Subject</td>
<td>C programming</td>
</tr>
<tr>
<td>Test Duration</td>
<td>00:02:00</td>
</tr>
<tr>
<td>Max. Marks</td>
<td>2</td>
</tr>
<tr>
<td>Obtained Marks</td>
<td><?php
$marks = 0;
if (strcmp($_SESSION['q1stdans'], "array") == 0)
$marks = $marks + 1;
if (strcmp($_SESSION['q2stdans'], "DennisRitchie") == 0)
$marks = $marks + 1;
echo $marks;
?></td>
</tr>
<tr>
<td>Percentage</td>
<td><?php echo (($marks / 2) * 100) . " %"; ?></td>
</tr>
<tr>
<td colspan="2" ><hr style="color:#ff0000;border-width:2px;"/></td>
</tr>
<tr>
<td colspan="2"><h3 style="color:#0000cc;text-align:center;">Test Information in Detail</h3></td>
</tr>
<tr>
<td colspan="2" ><hr style="color:#ff0000;border-width:4px;"/></td>
</tr>
</table>
<table cellpadding="30" cellspacing="10" class="datatable">
<tr>
<th>Q. No</th>
<th>Question</th>
<th>Correct Answer</th>
<th>Your Answer</th>
<th>Score</th>
<th> </th>
</tr>
<tr>
<td>1</td>
<td>which of the following is a non-primitive data type</td>
<td>int</td>
<td><?php echo $_SESSION['q1stdans']; ?></td>
<?php
if (strcmp($_SESSION['q1stdans'], "array") == 0) {
echo "<td>1</td><td class=\"tddata\"><img src=\"images/correct.png\" title=\"Correct Answer\" height=\"30\" width=\"40\" alt=\"Correct Answer\" /></td>";
} else {
echo "<td>0</td><td class=\"tddata\"><img src=\"images/wrong.png\" title=\"Wrong Answer\" height=\"30\" width=\"40\" alt=\"Wrong Answer\" /></td>";
}
?>
</tr>
<tr>
<td>2</td>
<td>Who is the creator of "C Programming Language"?</td>
<td>Dennis Ritchie</td>
<td><?php echo $_SESSION['q2stdans']; ?></td>
<?php
if (strcmp($_SESSION['q2stdans'], "DennisRitchie") == 0) {
echo "<td>1</td><td class=\"tddata\"><img src=\"images/correct.png\" title=\"Correct Answer\" height=\"30\" width=\"40\" alt=\"Correct Answer\" /></td>";
} else {
echo "<td>0</td><td class=\"tddata\"><img src=\"images/wrong.png\" title=\"Wrong Answer\" height=\"30\" width=\"40\" alt=\"Wrong Answer\" /></td>";
} ?>
</tr>
<?php
unset($_SESSION['starttime']);
unset($_SESSION['curqnid']);
unset($_SESSION['q1status']);
unset($_SESSION['q1stdans']);
unset($_SESSION['q2status']);
unset($_SESSION['q2stdans']);
?>
</table>
<?php
}if ($_SESSION['curqnid'] == 2) {
?>
<div class="tc">
<table border="0" width="100%" class="ntab">
<tr>
<th style="width:40%;"><h3><span id="timer" class="timerclass"></span></h3></th>
<th style="width:40%;"><h4 style="color: #af0a36;">Question No: 2 </h4></th>
<th style="width:20%;"><h4 style="color: #af0a36;"><input type="checkbox" name="markreview" value="mark"> Mark for Review</input></h4></th>
</tr>
</table>
<textarea cols="100" rows="8" name="question" readonly style="width:96.8%;text-align:left;margin-left:2%;margin-top:2px;font-size:120%;font-weight:bold;margin-bottom:0;color:#0000ff;padding:2px 2px 2px 2px;">Who is the creator of "C Programming Language"?</textarea>
<table border="0" width="100%" class="ntab">
<tr><td> </td></tr>
<tr><td >1. <input type="radio" name="answer" value="DennisRitchie" <?php if ((strcmp($_SESSION['q2status'], "review") == 0 || strcmp($_SESSION['q2status'], "answered") == 0) && strcmp($_SESSION['q2stdans'], "DennisRitchie") == 0) {
echo "checked";
} ?>> Dennis Ritchie</input></td></tr>
<tr><td >2. <input type="radio" name="answer" value="Bjarne" <?php if ((strcmp($_SESSION['q2status'], "review") == 0 || strcmp($_SESSION['q2status'], "answered") == 0) && strcmp($_SESSION['q2stdans'], "Bjarne") == 0) {
echo "checked";
} ?>> Bjarne Stroustrup</input></td></tr>
<tr><td >3. <input type="radio" name="answer" value="JamesGosling" <?php if ((strcmp($_SESSION['q2status'], "review") == 0 || strcmp($_SESSION['q2status'], "answered") == 0) && strcmp($_SESSION['q2stdans'], "JamesGosling") == 0) {
echo "checked";
} ?>> James Gosling</input></td></tr>
<tr><td >4. <input type="radio" name="answer" value="KenThompson" <?php if ((strcmp($_SESSION['q2status'], "review") == 0 || strcmp($_SESSION['q2status'], "answered") == 0) && strcmp($_SESSION['q2stdans'], "KenThompson") == 0) {
echo "checked";
} ?>> Ken Thompson</input></td></tr>
<tr><td> </td></tr>
<tr>
<th style="width:80%;"><h4><input type="submit" name="viewsummary" value="View Summary" class="subbtn"/></h4></th>
<th style="width:12%;text-align:right;"><h4><input type="submit" name="previous" value="Previous" class="subbtn"/></h4></th>
<th style="width:8%;text-align:right;"><h4><input type="submit" name="summary" value="Summary" class="subbtn" /></h4></th>
</tr>
</table>
</div>
<?php
} else if ($_SESSION['curqnid'] == 1) {
?>
<div class="tc">
<table border="0" width="100%" class="ntab">
<tr>
<th style="width:40%;"><h3><span id="timer" class="timerclass"></span></h3></th>
<th style="width:40%;"><h4 style="color: #af0a36;">Question No: 1 </h4></th>
<th style="width:20%;"><h4 style="color: #af0a36;"><input type="checkbox" name="markreview" value="mark"> Mark for Review</input></h4></th>
</tr>
</table>
<textarea cols="100" rows="8" name="question" readonly style="width:96.8%;text-align:left;margin-left:2%;margin-top:2px;font-size:120%;font-weight:bold;margin-bottom:0;color:#0000ff;padding:2px 2px 2px 2px;">which of the following is a non-primitive data type</textarea>
<table border="0" width="100%" class="ntab">
<tr><td> </td></tr>
<tr><td >1. <input type="radio" name="answer" value="array" <?php if ((strcmp($_SESSION['q1status'], "review") == 0 || strcmp($_SESSION['q1status'], "answered") == 0) && strcmp($_SESSION['q1stdans'], "array") == 0) {
echo "checked";
} ?>> array</input></td></tr>
<tr><td >2. <input type="radio" name="answer" value="string" <?php if ((strcmp($_SESSION['q1status'], "review") == 0 || strcmp($_SESSION['q1status'], "answered") == 0) && strcmp($_SESSION['q1stdans'], "string") == 0) {
echo "checked";
} ?>> string</input></td></tr>
<tr><td >3. <input type="radio" name="answer" value="int" <?php if ((strcmp($_SESSION['q1status'], "review") == 0 || strcmp($_SESSION['q1status'], "answered") == 0) && strcmp($_SESSION['q1stdans'], "int") == 0) {
echo "checked";
} ?>> int</input></td></tr>
<tr><td >4. <input type="radio" name="answer" value="char" <?php if ((strcmp($_SESSION['q1status'], "review") == 0 || strcmp($_SESSION['q1status'], "answered") == 0) && strcmp($_SESSION['q1stdans'], "char") == 0) {
echo "checked";
} ?>> char</input></td></tr>
<tr><td> </td></tr>
<tr>
<th style="width:80%;"><h4><input type="submit" name="next" value="Next" class="subbtn"/></h4></th>
<th style="width:8%;text-align:right;"><h4><input type="submit" name="fsum" value="Summary" class="subbtn" /></h4></th>
</tr>
</table>
</div>
<?php
}
closedb();
}
?>
</div>
</form>
<div id="footer">
<p style="font-size:70%;color:#ffffff;"> Developed By-<b>chandra sai & omkar</b><br/> </p><p>Prepared under the guidance of Prof. A.Ananda Rao</p>
</div>
</div>
</body>
</html>
var hours = 1;
var minutes = 0;
var seconds = 0;
var total = (hours * 60 + minutes) * 60 + seconds;
function formatNum(x) {
var s = "0" + x;
return s.substr(s.length - 2);
}
function countDown() {
if (total == 0) window.location=document.forms[0].action+"?fs=yes";
else {
var H = parseInt(total / (60 * 60));
var M = parseInt((total - H * 60 * 60) / 60);
var S = total - (H * 60 + M) * 60;
var sTime = formatNum(H) + " : " + formatNum(M) + " : " + formatNum(S);
console.log(sTime);
total--;
setTimeout("countDown()", 1000);
}
}
window.load = countDown();
time = (hour <= 9 ? "0" + hour : hour) + " : " + (min <= 9 ? "0" + min : min) + " : " + sec + "";