<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>www.jb51.net - JS双色球</title>
<style>
#datePicker {
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;
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;
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>
var arr = [];
function num() {
for (var i = 1; i < 34; i++) {
arr.push(i);
}
confusion();
}
var arrty= new Array(arr);
function confusion(){
for(var i=1;i<34;i++){
arrty[i]=i;
}
arrty.sort(function(){ return 0.5 - Math.random() });
arrAy()
}
function arrAy() {
var array = getRandomArrayElements(arrty, 6);
array.sort(function (a, b) {
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;
}
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);
}
function blueBall() {
var html = "";
var array = [];
for (var k = 1; k < 17; k++) {
array.push(k);
}
var n = Math.floor(Math.random() * array.length);
if (n != "0") {
html += '<span>' + n + '</span>';
}
document.getElementById('buleBall').innerHTML = html;
}
window.onload = function () {
var datePicker = document.getElementById("datePicker");
datePicker.onclick = function () {
num();
blueBall();
};
}
</script>
</body>
</html>