这篇文章运用简单易懂的例子给大家介绍JavaScript制作答题评分功能的方法，代码非常详细，感兴趣的小伙伴们可以参考借鉴，希望对大家能有所帮助。
HTML部分
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <link rel="stylesheet" href="./index.css" > <link rel="stylesheet" href="./timeTo.css" > <title>JavaScript实现一个在线做题测试网页</title> </head> <body> <div class="testContainer"> <h4>在线答题</h4> <div class="testHeader"> <div class="testLeft">测试已开始，请开始作答,请在30分钟内完成答题</div> <div class="testRight" id="countdown-11"></div> </div> <ul class="testContent"> </ul> <div onclick="submitAnswer()" id="submitBtn">提交</div> </div> <script src="./jquery-2.1.1.min.js"></script> <script src="./jquery.time-to.js"></script> <script src="./index.js"></script> </body> </html>
CSS部分
index.css
timeTo.css
figure, figcaption {
display: block;
}
.transition {
-webkit-transition: top 400ms linear;
-moz-transition: top 400ms linear;
-ms-transition: top 400ms linear;
-o-transition: top 400ms linear;
transition: top 400ms linear;
}
.timeTo {
font-family: Tahoma, Verdana, Aial, sans-serif;
font-size: 28px;
line-height: 108%;
font-weight: bold;
height: 32px;
}
.timeTo span {
vertical-align: top;
}
.timeTo.timeTo-white div {
color: black;
background: #ffffff; /* Old browsers */
background: -moz-linear-gradient(top, #ffffff 38%, #cccccc 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(38%,#ffffff), color-stop(100%,#cccccc)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, #ffffff 38%,#cccccc 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, #ffffff 38%,#cccccc 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, #ffffff 38%,#cccccc 100%); /* IE10+ */
background: linear-gradient(to bottom, #ffffff 38%,#cccccc 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#cccccc',GradientType=0 ); /* IE6-9 */
}
.timeTo.timeTo-black div {
color: white;
background: #45484d; /* Old browsers */
background: -moz-linear-gradient(top, #45484d 0%, #000000 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#45484d), color-stop(100%,#000000)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, #45484d 0%,#000000 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, #45484d 0%,#000000 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, #45484d 0%,#000000 100%); /* IE10+ */
background: linear-gradient(to bottom, #45484d 0%,#000000 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#45484d', endColorstr='#000000',GradientType=0 ); /* IE6-9 */
}
.timeTo.timeTo-black .timeTo-alert {
background: #a74444; /* Old browsers */
background: -moz-linear-gradient(top, #a74444 0%, #3f0000 67%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#a74444), color-stop(67%,#3f0000)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, #a74444 0%,#3f0000 67%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, #a74444 0%,#3f0000 67%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, #a74444 0%,#3f0000 67%); /* IE10+ */
background: linear-gradient(to bottom, #a74444 0%,#3f0000 67%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a74444', endColorstr='#3f0000',GradientType=0 ); /* IE6-9 */
}
.timeTo.timeTo-white .timeTo-alert {
background: #ffffff; /* Old browsers */
background: -moz-linear-gradient(top, #ffffff 35%, #e17373 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(35%,#ffffff), color-stop(100%,#e17373)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, #ffffff 35%,#e17373 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, #ffffff 35%,#e17373 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, #ffffff 35%,#e17373 100%); /* IE10+ */
background: linear-gradient(to bottom, #ffffff 35%,#e17373 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#e17373',GradientType=0 ); /* IE6-9 */
}
.timeTo figure {
display: inline-block;
margin: 0;
padding: 0;
}
.timeTo figcaption {
text-align: center;
/*font-size: 12px;*/
line-height: 80%;
font-weight: normal;
color: #888;
}
.timeTo div {
position: relative;
display: inline-block;
width: 25px;
height: 30px;
border-top: 1px solid silver;
border-right: 1px solid silver;
border-bottom: 1px solid silver;
overflow: hidden;
}
.timeTo div.first {
border-left: 1px solid silver;
}
.timeTo ul {
list-style-type: none;
margin: 0;
padding: 0;
position: absolute;
left: 3px;
}
.timeTo ul li {
margin: 0;
padding: 0;
list-style: none;
}jquery.time-to.js部分
/**
* Time-To jQuery plug-in
* Show countdown timer or realtime clock
*
* @author Oleksii Teterin <altmoc@gmail.com>
* @version 1.3.0
* @license MIT http://opensource.org/licenses/MIT
* @date 2019-05-14
* @host https://github.com/Lexxus/jq-timeTo
*/
(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD (RequireJS)
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// CommonJS (Node)
/* eslint-disable import/no-unresolved */
module.exports = factory(require('jquery'));
} else {
// globals
factory(jQuery);
}
}(function ($) {
var SECONDS_PER_DAY = 86400;
var SECONDS_PER_HOUR = 3600;
/* eslint-disable no-multi-spaces */
var defaults = {
callback: null, // callback function for exec when timer out
step: null, // callback function to exec every {stepCount} ticks
stepCount: 1, // number of ticks to increment before executing stepCount
captionSize: 0, // font-size by pixels for captions, if 0 then calculate automaticaly
countdown: true, // is countdown or real clock
countdownAlertLimit: 10, // limit in seconds when display red background
displayCaptions: false, // display captions under digit groups
displayDays: 0, // display day timer, count of days digits
displayHours: true, // display hours
fontFamily: 'Verdana, sans-serif',
fontSize: 0, // font-size of a digit by pixels (0 - use CSS instead)
lang: 'en', // language of caption
languages: {}, // extra or overridden languages
seconds: 0, // timer's countdown value in seconds
start: true, // true to start timer immediately
theme: 'white', // 'white' or 'black' theme fo timer's view
width: 25, // width of a digit area
height: 30, // height of a digit area
gap: 11, // gap size between numbers
vals: [0, 0, 0, 0, 0, 0, 0, 0, 0], // private, current value of each digit
limits: [9, 9, 9, 2, 9, 5, 9, 5, 9], // private, max value of each digit
iSec: 8, // private, index of second digit
iHour: 4, // private, index of hour digit
tickTimeout: 1000, // timeout betweet each timer tick in miliseconds
intervalId: null, // private
tickCount: 0 // private
};
var methods = {
start: function (sec) {
var intervalId;
if (sec) {
init.call(this, sec);
intervalId = setTimeout(tick.bind(this), 1000);
// save start time
this.data('ttStartTime', $.now());
this.data('intervalId', intervalId);
}
},
stop: function () {
var data = this.data();
if (data.intervalId) {
clearTimeout(data.intervalId);
this.data('intervalId', null);
}
return data;
},
reset: function (sec) {
var data = methods.stop.call(this);
var secs = typeof sec === 'undefined' ? data.seconds : sec;
this.find('div').css({ backgroundPosition: 'left center' });
this.find('ul').parent().removeClass('timeTo-alert');
init.call(this, secs, true);
}
};
var dictionary = {
en: { days: 'days', hours: 'hours', min: 'minutes', sec: 'seconds' },
ru: { days: 'дней', hours: 'часов', min: 'минут', sec: 'секунд' },
ua: { days: 'днiв', hours: 'годин', min: 'хвилин', sec: 'секунд' },
de: { days: 'Tag', hours: 'Uhr', min: 'Minuten', sec: 'Secunden' },
fr: { days: 'jours', hours: 'heures', min: 'minutes', sec: 'secondes' },
es: { days: 'días', hours: 'horas', min: 'minutos', sec: 'segundos' },
sp: { days: 'días', hours: 'horas', min: 'minutos', sec: 'segundos' },
it: { days: 'giorni', hours: 'ore', min: 'minuti', sec: 'secondi' },
nl: { days: 'dagen', hours: 'uren', min: 'minuten', sec: 'seconden' },
no: { days: 'dager', hours: 'timer', min: 'minutter', sec: 'sekunder' },
pt: { days: 'dias', hours: 'horas', min: 'minutos', sec: 'segundos' },
tr: { days: 'gün', hours: 'saat', min: 'dakika', sec: 'saniye' },
pl: { days: 'dni', hours: 'godziny', min: 'minuty', sec: 'secundy' }
};
/* eslint-enable no-multi-spaces */
if (typeof $.support.transition === 'undefined') {
$.support.transition = (function () {
var thisBody = document.body || document.documentElement;
var thisStyle = thisBody.style;
var support = thisStyle.transition !== undefined
|| thisStyle.WebkitTransition !== undefined
|| thisStyle.MozTransition !== undefined
|| thisStyle.MsTransition !== undefined
|| thisStyle.OTransition !== undefined;
return support;
}());
}
$.fn.timeTo = function () {
var options = {};
var now = Date.now();
var j, arg, num, method, time, days, tt, sec, m, t;
for (j = 0; j < arguments.length; j += 1) {
arg = arguments[j];
if (j === 0 && typeof arg === 'string') {
method = arg;
} else if (typeof arg === 'object') {
if (typeof arg.getTime === 'function') {
// arg is a Date object
options.timeTo = arg;
} else {
// arg is an options object
options = $.extend(options, arg);
}
} else if (typeof arg === 'function') {
// arg is callback
options.callback = arg;
} else {
num = parseInt(arg, 10);
// arg is seconds of timeout
if (!isNaN(num)) {
options.seconds = num;
}
}
}
// set time to countdown to
if (options.timeTo) {
if (options.timeTo.getTime) {
// set time as date object
time = options.timeTo.getTime();
} else if (typeof options.timeTo === 'number') {
// set time as integer in millisec
time = options.timeTo;
}
if (time > now) {
options.seconds = Math.floor((time - now) / 1000);
} else {
options.seconds = 0;
}
} else if (options.time || !options.seconds) {
time = options.time;
if (!time) {
time = new Date(now);
}
if (typeof time === 'object' && time.getTime) {
options.seconds = (time.getDate() * SECONDS_PER_DAY) + (time.getHours() * SECONDS_PER_HOUR) +
(time.getMinutes() * 60) + time.getSeconds();
options.countdown = false;
} else if (typeof time === 'string') {
tt = time.split(':');
sec = 0;
m = 1;
while (tt.length) {
t = tt.pop();
sec += t * m;
m *= 60;
}
options.seconds = sec;
options.countdown = false;
}
}
if (options.countdown !== false
&& options.seconds > SECONDS_PER_DAY
&& typeof options.displayDays === 'undefined') {
days = Math.floor(options.seconds / SECONDS_PER_DAY);
options.displayDays = (days < 10 && 1) || (days < 100 && 2) || 3;
} else if (options.displayDays === true) {
options.displayDays = 3;
} else if (options.displayDays) {
options.displayDays = options.displayDays > 0 ? Math.floor(options.displayDays) : 3;
}
return this.each(function () {
var $this = $(this);
var data = $this.data();
var defs, opt, i, css, language, left, ulhtml, style, dhtml1, dhtml2, dot2, maxWidth,
captionSize, fsStyleVal, fsStyle, thtml, marginRight, dhtml, $digits, dif, vals, limits;
if (data.intervalId) {
clearInterval(data.intervalId);
data.intervalId = null;
}
if (!data.vals) {
// new clock
if (data.opt) {
opt = data.options;
} else {
opt = options;
}
// clone the defaults object
defs = Object.keys(defaults).reduce(function (obj, key) {
if (Array.isArray(defaults[key])) {
obj[key] = defaults[key].slice(0);
} else {
obj[key] = defaults[key];
}
return obj;
}, {});
data = $.extend(defs, opt);
data.options = opt;
data.height = Math.round((data.fontSize * 100) / 93) || data.height;
data.width = Math.round((data.fontSize * 0.8) + (data.height * 0.13)) || data.width;
data.displayHours = !!(data.displayDays || data.displayHours);
css = {
fontFamily: data.fontFamily
};
if (data.fontSize > 0) {
css.fontSize = data.fontSize + 'px';
}
language = data.languages[data.lang] || dictionary[data.lang];
$this
.addClass('timeTo')
.addClass('timeTo-' + data.theme)
.css(css);
left = Math.round(data.height / 10);
ulhtml = '<ul ><li>0</li><li>0</li></ul></div>';
style = data.fontSize
? ' '
: ' ';
dhtml1 = '<div class="first"' + style + '>' + ulhtml;
dhtml2 = '<div' + style + '>' + ulhtml;
dot2 = '<span>:</span>';
maxWidth = Math.round((data.width * 2) + 3);
captionSize = data.captionSize || (data.fontSize && Math.round(data.fontSize * 0.43));
fsStyleVal = captionSize ? 'font-size:' + captionSize + 'px;' : '';
fsStyle = captionSize ? ' ' : '';
thtml = (data.displayCaptions
? (data.displayHours
? '<figure >$1<figcaption' + fsStyle + '>'
+ language.hours + '</figcaption></figure>' + dot2
: '')
+ '<figure >$1<figcaption' + fsStyle + '>' + language.min
+ '</figcaption></figure>' + dot2
+ '<figure >$1<figcaption' + fsStyle + '>' + language.sec
+ '</figcaption></figure>'
: (data.displayHours ? '$1' + dot2 : '') + '$1' + dot2 + '$1'
).replace(/\$1/g, dhtml1 + dhtml2);
if (data.displayDays > 0) {
marginRight = Math.round(data.fontSize * 0.4 || defaults.gap);
dhtml = dhtml1;
for (i = data.displayDays - 1; i > 0; i -= 1) {
dhtml += i === 1
? dhtml2.replace('">', 'margin-right:' + marginRight + 'px">')
: dhtml2;
}
if (data.displayDays === 1) {
dhtml = dhtml.replace('">', 'margin-right:' + marginRight + 'px">');
}
thtml = (data.displayCaptions
? '<figure >$1'
+ '<figcaption >'
+ language.days + '</figcaption></figure>'
: '$1')
.replace(/\$1/, dhtml) + thtml;
}
$this.html(thtml);
} else if (method !== 'reset') {
// exists clock
$.extend(data, options);
}
$digits = $this.find('div');
if ($digits.length < data.vals.length) {
dif = data.vals.length - $digits.length;
vals = data.vals;
limits = data.limits;
data.vals = [];
data.limits = [];
for (i = 0; i < $digits.length; i += 1) {
data.vals[i] = vals[dif + i];
data.limits[i] = limits[dif + i];
}
data.iSec = data.vals.length - 1;
data.iHour = data.vals.length - 5;
}
data.sec = data.seconds;
$this.data(data);
if (method && methods[method]) {
methods[method].call($this, data.seconds);
} else if (data.start) {
methods.start.call($this, data.seconds);
} else {
init.call($this, data.seconds);
}
});
};
function init(sec, force) {
var data = this.data();
var $digits = this.find('ul');
var isInterval = false;
var days, rest, hours, minutes, secs, str, i, j, val;
if (!data.vals || $digits.length === 0) {
return;
}
if (!sec) {
sec = data.seconds;
}
if (data.intervalId) {
isInterval = true;
clearTimeout(data.intervalId);
}
days = Math.floor(sec / SECONDS_PER_DAY);
rest = days * SECONDS_PER_DAY;
hours = Math.floor((sec - rest) / SECONDS_PER_HOUR);
rest += hours * SECONDS_PER_HOUR;
minutes = Math.floor((sec - rest) / 60);
rest += minutes * 60;
secs = sec - rest;
str = (days < 100 ? '0' + (days < 10 ? '0' : '') : '')
+ days + (hours < 10 ? '0' : '') + hours + (minutes < 10 ? '0' : '')
+ minutes + (secs < 10 ? '0' : '') + secs;
for (i = data.vals.length - 1, j = str.length - 1; i >= 0; i -= 1, j -= 1) {
val = parseInt(str.substr(j, 1), 10);
data.vals[i] = val;
$digits.eq(i).children().html(val);
}
if (isInterval || force) {
data.ttStartTime = Date.now();
data.intervalId = setTimeout(tick.bind(this), 1000);
this.data('intervalId', data.intervalId);
}
}
/**
* Switch specified digit by digit index
* @param {number} - digit index
*/
function tick(digit) {
var me = this;
var $digits = this.find('ul');
var data = this.data();
var n, $ul, $li, step, tickTimeout, timeDiff;
if (!data.vals || $digits.length === 0) {
if (data.intervalId) {
clearTimeout(data.intervalId);
this.data('intervalId', null);
}
if (data.callback) {
data.callback();
}
return;
}
if (typeof digit === 'undefined') {
digit = data.iSec;
}
this.data('tickCount', data.tickCount + 1);
n = data.vals[digit];
$ul = $digits.eq(digit);
$li = $ul.children();
step = data.countdown ? -1 : 1;
$li.eq(1).html(n);
n += step;
if (typeof data.step === 'function' && data.tickCount % data.stepCount === 0) { // simplified if-block
this.data('tickCount', 0); // prevent number overload
data.step();
}
if (digit === data.iSec) {
tickTimeout = data.tickTimeout;
timeDiff = Date.now() - data.ttStartTime;
data.sec += step;
tickTimeout += (Math.abs(data.seconds - data.sec) * tickTimeout) - timeDiff;
data.intervalId = setTimeout(tick.bind(this), tickTimeout);
}
if (n < 0 || n > data.limits[digit]) {
if (n < 0) {
n = data.limits[digit];
// fix for hours when day changing
if (digit === data.iHour
&& data.displayDays > 0
&& data.vals[digit - 1] === 0) {
n = 3;
}
} else {
n = 0;
}
if (digit > 0) {
tick.call(this, digit - 1);
}
} else if (!data.countdown // fix for hours when day changing in clock mode
&& digit === data.iHour
&& data.displayDays > 0
&& data.vals[digit - 1] === 2 && data.vals[digit] === 3) {
n = 0;
tick.call(this, digit - 1);
}
$li.eq(0).html(n);
if ($.support.transition) {
$ul.addClass('transition');
$ul.css({ top: 0 });
setTimeout(function () {
$ul.removeClass('transition');
$li.eq(1).html(n);
$ul.css({ top: '-' + data.height + 'px' });
if (step > 0 || digit !== data.iSec) {
return;
}
if (data.sec === data.countdownAlertLimit) {
$digits.parent().addClass('timeTo-alert');
}
if (data.sec === 0) {
$digits.parent().removeClass('timeTo-alert');
if (data.intervalId) {
clearTimeout(data.intervalId);
me.data('intervalId', null);
}
if (typeof data.callback === 'function') {
data.callback();
}
}
}, 410);
} else {
$ul.stop().animate({ top: 0 }, 400, digit !== data.iSec ? null : function () {
$li.eq(1).html(n);
$ul.css({ top: '-' + data.height + 'px' });
if (step > 0 || digit !== data.iSec) {
return;
}
if (data.sec === data.countdownAlertLimit) {
$digits.parent().addClass('timeTo-alert');
} else if (data.sec === 0) {
$digits.parent().removeClass('timeTo-alert');
if (data.intervalId) {
clearTimeout(data.intervalId);
me.data('intervalId', null);
}
if (typeof data.callback === 'function') {
data.callback();
}
}
});
}
data.vals[digit] = n;
}
return $;
}));index.js部分
var colorArr = ['rgb(255,235,205)', 'rgb(255,240,245)', 'rgb(255,211,155)'];
var problemList = [
[
' 1.一个长方体形状的盒子长、宽、高分别为20厘米、8厘米和2厘米。现在要用一张纸将其六个面完全包裹起来，要求从纸上剪下的部分不得用作贴补。请问这张纸的大小可能是下列哪一个?( )？',
[
{
'selectAnswer': '长25cm，宽17cm',
'selectScore': '0',
'name': 'Q1',
'value': '1'
},
{
'selectAnswer': '长26cm，宽14cm',
'selectScore': '0',
'name': 'Q1',
'value': '2'
},
{
'selectAnswer': '长24cm，宽21cm',
'selectScore': '5',
'name': 'Q1',
'value': '3'
},
{
'selectAnswer': '长24cm，宽14cm',
'selectScore': '0',
'name': 'Q1',
'value': '4'
}
]
],
[
'2.有A,B,C三个学生，一个出生在北京，一个出生在上海，一个出生在广州。他们中一个学物理专业，一个学数学专业，一个学计算机。其中（1）A不是学物理的，B不是学计算机的；（2）学物理的不出生在上海；（3）学计算机的出生在北京；（4）B不出生在广州。请根据上述条件，判断A的专业（）?',
[
{
'selectAnswer': '物理',
'selectScore': '0',
'name': 'Q2',
'value': '1'
},
{
'selectAnswer': '数学',
'selectScore': '0',
'name': 'Q2',
'value': '2'
},
{
'selectAnswer': '计算机',
'selectScore': '5',
'name': 'Q2',
'value': '3'
},
{
'selectAnswer': '都有可能',
'selectScore': '0',
'name': 'Q2',
'value': '4'
}
]
],
[
'3.在某次税务检查后，四个工商管理人员各自做出了结论,甲说;”所有个体户都没纳税。”。乙说：”服装个体户陈老板没纳税。”丙说：”个体户不都没税”，丁说：”有的个体户没税”如果四个人中只有一个断定属实，那么以下哪项是真的？（）',
[
{
'selectAnswer': '丁断定属实，但陈老板纳了税。',
'selectScore': '0',
'name': 'Q3',
'value': '1'
},
{
'selectAnswer': '甲断定属实，陈老板没有纳税',
'selectScore': '0',
'name': 'Q3',
'value': '2'
},
{
'selectAnswer': '乙断定属实，陈老板没有纳税。',
'selectScore': '0',
'name': 'Q3',
'value': '3'
},
{
'selectAnswer': '丙断定属实，但陈老板没有纳税。',
'selectScore': '5',
'name': 'Q3',
'value': '4'
}
]
],
[
'4.找规律 1, 32, 81, 64, 25, ( ), 1',
[
{
'selectAnswer': '5',
'selectScore': '0',
'name': 'Q4',
'value': '1'
},
{
'selectAnswer': '6',
'selectScore': '5',
'name': 'Q4',
'value': '2'
},
{
'selectAnswer': '10',
'selectScore': '0',
'name': 'Q4',
'value': '3'
},
{
'selectAnswer': '12',
'selectScore': '0',
'name': 'Q4',
'value': '4'
}
]
]
]
var correctData = [3, 3, 4, 2];//正确题目的序号
var answerArr = [];//存储回答的答案
var scoreArr = [];//存储回答的分数数组
var score = null;//分数
//问题列表渲染
function renderProblem(problemList) {
var template = '';
for (var i = 0; i < problemList.length; i++) {
template += " <li class='testItem'>" +
"<div class='problem'>" + problemList[i][0] + "</div>" +
"<div class='selectItem'>";
for (var j = 0; j < problemList[i][1].length; j++) {
template += " <div><input type='radio' name='" + problemList[i][1][j].name + "' value='" + problemList[i][1][j].value + "' data-score='" + problemList[i][1][j].selectScore + "'><span>" + problemList[i][1][j].selectAnswer + "</span></div>"
}
template += "</div></li>"
}
$('.testContent').append(template)
}
renderProblem(problemList);//渲染列表
var list_node = document.getElementsByTagName('li');
for (let i = 0; i < list_node.length; i++) {
list_node[i].style.backgroundColor = colorArr[i % colorArr.length];
list_node[i].onclick = function (e) {//点击选择答案
if (e.target.tagName == 'INPUT') {
answerArr = [];
scoreArr = [];
}
}
}
//倒计时的插件
$('#countdown-11').timeTo({
seconds: 1800,
displayHours: false
});
$('#clock-w-step-cb').timeTo({
step: function () {
console.log('Executing every 3 ticks');
},
stepCount: 3
});
//提交执行的方法
function submitAnswer() {
$("input[type='radio']:checked").each(function () {
answerArr.push(Number($(this).val()));
// scoreArr.push()
scoreArr.push(Number($(this)[0].dataset.score))
});
for (var i = 0; i < scoreArr.length; i++) {
score += scoreArr[i]
}
console.log(score)
console.log(answerArr.length)
if (answerArr.length == correctData.length) {
if (JSON.stringify(answerArr) === JSON.stringify(correctData)) {
alert('完全正确，得分为：' + score)
} else {
alert('继续努力，得分为：' + score)
}
location.reload();
} else {
alert('请提交完整的答题')
}
}关于JavaScript制作答题评分功能的方法就分享到这里了，希望以上内容可以对大家有一定的帮助，可以学到更多知识。如果觉得文章不错，可以把它分享出去让更多的人看到。
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