原生基础js脚本实现--在线答题系统
全部代码在最下面----需要的直接往下翻
html方面的代码 : 正确的答案 value=s
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>答题</title>
</head>
<body>
<!--标题-->
<h1 style="color: green;text-align: center">欢迎您使用在线答题系统</h1>
<h2 style="text-align: center">计时开始,请开始作答
<span id="hours">00</span>
<span>:</span>
<span id="minute">00</span>
<span>:</span>
<span id="second">00</span>
</h2>
<hr/>
<!--题目-->
<ol>
1,你属于什么阶级?
<input type="radio" name="q1" value="s" id="1-1"/>无产阶级
<input type="radio" name="q1" value="e" id="1-2"/>资产阶级
<input type="radio" name="q1" value="e" id="1-3"/>不清楚
</ol>
<br/>
<ol>
2,你觉得物资生活建设重要还是精神建设重要?
<input type="radio" name="q2" value="e" id="2-1"/>物质生活建设
<input type="radio" name="q2" value="s" id="2-2"/>精神建设
<input type="radio" name="q2" value="e" id="2-3"/>都不重要
</ol>
<br>
<ol>
3,你觉得要实现人民当家做主要靠什么?
<input type="radio" name="q3" value="e" id="3-1"/>私有化建设
<input type="radio" name="q3" value="s" id="3-2"/>社会主义建设
<input type="radio" name="q3" value="e" id="3-3"/>不清楚
</ol>
<br>
<ol>
4,社会主义初级阶段转向中级阶段的关键点在什么
<input type="radio" name="q4" value="e" id="4-1"/>人人小康
<input type="radio" name="q4" value="e" id="4-2"/>社会主义现代化
<input type="radio" name="q4" value="s" id="4-3"/>建成社会主义现代化强国
</ol>
<br>
<button onclick="jiaojuan()">交卷</button>
<div id="show"></div>
</body>
</html>
js代码实现<script>
//页面加载时 计时开始
window.onload = function () {
var hours = document.getElementById("hours"),
minute = document.getElementById("minute"),
second = document.getElementById("second"),
timer = null,
Hours = 0,
Minute = 0,
Second = 0;
timer = setInterval(function () {
Second++;
if (Second > 59) {
Second = 0;
Minute++;
if (Minute > 59) {
Minute = 0;
Hours++;
}
}
if (Second < 10) {
second.innerText = "0" + Second;
} else {
second.innerText = Second;
}
if (Minute < 10) {
minute.innerText = "0" + Minute;
} else {
minute.innerText = Minute;
}
if (Hours < 10) {
hours.innerText = "0" + Hours;
} else {
hours.innerText = Hours;
}
}, 1000)
};
//定义全局变量 分数、正确的、错误的
var score = 0;
var tru = [];
var fals = [];
//交卷按钮的实现
function jiaojuan() {
tru = [];
fals = [];
score = 0;
var h = document.getElementById('hours');
var m = document.getElementById('minute');
var s = document.getElementById('second');
var show = document.getElementById('show');
var quNum = 4; //题目个数
for (let i = 1; i <= quNum;i++){
isMain('q'+i, i, quNum);
}
var countTime = '共花了时间为:<span style="color: red;">' + h.innerHTML + '小时' + m.innerHTML + '分' + s.innerHTML + '秒</span><br/>';
var testTrue = "您正确的题目为: " + tru + '<br/>';
var testFalse = "您答错的题目为: " + fals + '<br/>';
var userScore = '您的成绩为:' + score + '<br/>';
show.innerHTML = countTime + testTrue + testFalse + userScore;
}
/*显示数据处理*/
function isMain(tagName, time, numQ) {
let zz = getRadioButtonCheckedValue(tagName);
if (zz == 's'){
score = score + (100/numQ);
tru.push(time);
}else{
fals.push(time)
}
}
/*判断单选框选中的值*/
function getRadioButtonCheckedValue(tagNameAttr){
var radio_tag = document.getElementsByName(tagNameAttr);
for(var i=0;i<radio_tag.length;i++){
if(radio_tag[i].checked){
return radio_tag[i].value;
}
}
}
</script>
运行效果如下:

全部代码:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>答题</title> </head> <body> <!--标题--> <h1 style="color: green;text-align: center">欢迎您使用在线答题系统</h1> <h2 style="text-align: center">计时开始,请开始作答 <span id="hours">00</span> <span>:</span> <span id="minute">00</span> <span>:</span> <span id="second">00</span> </h2> <hr/> <!--题目--> <ol> 1,你属于什么阶级? <input type="radio" name="q1" value="s" id="1-1"/>无产阶级 <input type="radio" name="q1" value="e" id="1-2"/>资产阶级 <input type="radio" name="q1" value="e" id="1-3"/>不清楚 </ol> <br/> <ol> 2,你觉得物资生活建设重要还是精神建设重要? <input type="radio" name="q2" value="e" id="2-1"/>物质生活建设 <input type="radio" name="q2" value="s" id="2-2"/>精神建设 <input type="radio" name="q2" value="e" id="2-3"/>都不重要 </ol> <br> <ol> 3,你觉得要实现人民当家做主要靠什么? <input type="radio" name="q3" value="e" id="3-1"/>私有化建设 <input type="radio" name="q3" value="s" id="3-2"/>社会主义建设 <input type="radio" name="q3" value="e" id="3-3"/>不清楚 </ol> <br> <ol> 4,社会主义初级阶段转向中级阶段的关键点在什么 <input type="radio" name="q4" value="e" id="4-1"/>人人小康 <input type="radio" name="q4" value="e" id="4-2"/>社会主义现代化 <input type="radio" name="q4" value="s" id="4-3"/>建成社会主义现代化强国 </ol> <br> <button onclick="jiaojuan()">交卷</button> <div id="show"></div> </body> <script> window.onload = function () { var hours = document.getElementById("hours"), minute = document.getElementById("minute"), second = document.getElementById("second"), timer = null, Hours = 0, Minute = 0, Second = 0; timer = setInterval(function () { Second++; if (Second > 59) { Second = 0; Minute++; if (Minute > 59) { Minute = 0; Hours++; } } if (Second < 10) { second.innerText = "0" + Second; } else { second.innerText = Second; } if (Minute < 10) { minute.innerText = "0" + Minute; } else { minute.innerText = Minute; } if (Hours < 10) { hours.innerText = "0" + Hours; } else { hours.innerText = Hours; } }, 1000) }; var score = 0; var tru = []; var fals = []; function jiaojuan() { tru = []; fals = []; score = 0; var h = document.getElementById('hours'); var m = document.getElementById('minute'); var s = document.getElementById('second'); var show = document.getElementById('show'); var quNum = 4;//题目数目 for (let i = 1; i <= quNum;i++){ isMain('q'+i, i, quNum); } var countTime = '共花了时间为:<span style="color: red;">' + h.innerHTML + '小时' + m.innerHTML + '分' + s.innerHTML + '秒</span><br/>'; var testTrue = "您正确的题目为: " + tru + '<br/>'; var testFalse = "您答错的题目为: " + fals + '<br/>'; var userScore = '您的成绩为:' + score + '<br/>'; show.innerHTML = countTime + testTrue + testFalse + userScore; } /*显示数据处理*/ function isMain(tagName, time, numQ) { let zz = getRadioButtonCheckedValue(tagName); if (zz == 's'){ score = score + (100/numQ); tru.push(time); }else{ fals.push(time) } } /*判断单选框选中的值*/ function getRadioButtonCheckedValue(tagNameAttr){ var radio_tag = document.getElementsByName(tagNameAttr); for(var i=0;i<radio_tag.length;i++){ if(radio_tag[i].checked){ return radio_tag[i].value; } } } </script> </html>
本文来自博客园,作者:无产铁锤,转载请注明原文链接:https://www.cnblogs.com/wzhsun/p/14242889.html

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