双色球
Posted mengchenhui
tags:
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<!DOCTYPE html>
<html>
<head lang=
"en"
>
<meta charset=
"UTF-8"
>
<title>www.jb51.net - JS双色球</title>
<style>
#datePicker {
width: 100px;
height: 30px;
line-height: 30px;;
border-radius: 10px;
border: 1px solid
#5098a5;
text-align: center;
cursor: pointer;
}
#number {
height: 100px;
float: left;
margin-top: 20px;
}
#number span {
display: block;
width: 30px;
height: 30px;
line-height: 30px;
text-align: center;
border-radius: 30px;
border: 2px solid red;
color: red;
font-weight: bold;
float: left;
margin-top: 15px;
margin-right: 10px;
}
#buleBall {
height: 100px;
margin-top: 21px;
float: left;
}
#buleBall span {
display: block;
width: 30px;
height: 30px;
line-height: 30px;
text-align: center;
border-radius: 30px;
background-color: blue;
color: white;
font-weight: bold;
float: left;
margin-top: 15px;
margin-right: 10px;
}
</style>
</head>
<body>
<div class=
"container"
>
<div style=
"overflow:hidden;"
>
<div id=
"number"
></div>
<div id=
"buleBall"
></div>
</div>
<div id=
"datePicker"
>点击按钮</div>
</div>
<script>
//循环产生1-36数字
var
arr = [];
function
num() {
for
(
var
i = 1; i < 34; i++) {
arr.push(i);
}
confusion();
}
var
arrty=
new
Array(arr);
//伪随机方法
function
confusion(){
for
(
var
i=1;i<34;i++){
arrty[i]=i;
}
arrty.sort(
function
(){
return
0.5 - Math.random() });
// var str=arrty.join();
arrAy()
}
// 将随机获取的数据添加到页面上去
function
arrAy() {
var
array = getRandomArrayElements(arrty, 6);
array.sort(
function
(a, b) {
//数组排序
return
a > b ? 1 : -1;
});
var
htm =
""
;
for
(
var
i = 0; i < array.length; i++) {
htm +=
‘<span>‘
+ array[i] +
‘</span>‘
;
}
document.getElementById(
‘number‘
).innerHTML = htm;
}
// 从1-36中随机取出其中6个参数
function
getRandomArrayElements(arr, count) {
var
shuffled = arr.slice(0), i = arr.length, min = i - count, temp, index;
while
(i-- > min) {
index = Math.floor((i + 1) * Math.random());
temp = shuffled[index];
shuffled[index] = shuffled[i];
shuffled[i] = temp;
}
return
shuffled.slice(min);
}
//随机获取一个蓝球的方法
function
blueBall() {
var
html =
""
;
var
array = [];
for
(
var
k = 1; k < 17; k++) {
array.push(k);
}
//随机生成蓝色球的算法
var
n = Math.floor(Math.random() * array.length);
if
(n !=
"0"
) {
//去除获取到的篮球数为0的
html +=
‘<span>‘
+ n +
‘</span>‘
;
}
document.getElementById(
‘buleBall‘
).innerHTML = html;
}
window.onload =
function
() {
var
datePicker = document.getElementById(
"datePicker"
);
datePicker.onclick =
function
() {
num();
//点击按钮生成1-33的数字方法
blueBall();
//点击后获取随机蓝球的方法
};
}
</script>
</body>
</html>
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