jquery实现心算练习代码
2024-05-06 14:26:11
供稿：网友
在线演示：
http://demo.Vevb.com/js/jquery_xinsuan/index.htm
看看大家做完要多长时间，代码如下：
代码如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta http-equiv="Content-Language" content="zh-CN" />
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
<title>心算练习，Do Your Best</title>
<style type="text/css">
body
{
text-align: center;
padding: 0;
margin: 0;
}
div
{
width: 1000px;
margin: auto;
}
div table
{
border-collapse: collapse;
width: 100%;
table-layout: fixed;
text-align: left;
}
div table td
{
border: 1px solid silver;
padding-left: 3em;
}
div span
{
padding: 3px 8px;
}
table input
{
width: 3em;
}
.red
{
color: Red;
}
.green
{
color: Green;
}
</style>
<script type="text/javascript" src="http://demo.Vevb.com/jslib/jquery/jquery-1.4.4.js"></script>
<script type="text/javascript">
$(function () {
fnInitTable(2);
fnHideResult();
});
//显示正确结果及分数
function fnShowResult() {
var vCount = 0;
$("table tr td").each(function (i) {
var vUserResult = $.trim($(this).find("input").val());
var vCorrectResult = $.trim($(this).find("span:last-child").text());
if (vUserResult == vCorrectResult) {
vCount++;
$(this).find("span:last-child").show().addClass("green");
}
else {
$(this).find("span:last-child").show().addClass("red");
}
});
$("#score").text(vCount);
}
function fnHideResult() {
$("table td span:last-child").hide();
}
//生成尾数不为零的随机数
function fnRandomBy(parUnder, parOver) {
var vResult = 0;
while (vResult % 10 == 0) {
switch (arguments.length) {
case 1:
vResult = parseInt(Math.random() * parUnder + 1);
break;
case 2:
vResult = parseInt(Math.random() * (parOver - parUnder + 1) + parUnder);
break;
default:
vResult = 0;
break;
}
}
return vResult;
}
function fnInitTable(parDigit) {
var vPreValue;
var vNextValue;
var vResultt;
$("table").empty();
for (var i = 0; i < 10; i++) {
$("table").append("<tr></tr>");
for (var k = 0; k < 3; k++) {
vPreValue = fnRandomBy(10, 100);
if (parDigit == 2) {
vNextValue = fnRandomBy(10, 100);
}
else {
vNextValue = fnRandomBy(100, 1000);
}
vResultt = vPreValue * vNextValue;
$("table tr:last").append("<td>" + vPreValue + "<span>×</span>" + vNextValue + "<span>=</span>" + "<input type='text' //>" + "<span>" + vResultt + "</span>" + "</td>");
