源码

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>LOTTY WINNER~</title>
<style type="text/css">
html {
font-size: 12px;
font-family: "sans serif", tahoma, verdana, helvetica;
}

body {
text-align: center;
padding-top: 20%;
}

#pool {
padding: 10px;
border: dashed 1px orangered;
width: 40%;
min-height: 200px;
margin-left: auto;
margin-right: auto;
max-height: 200px;
overflow: auto;
overflow-y: yes;
}

#pool span {
font-size: 24px;
line-height: 36px;
}

#pool .red {
color: indianred;
}

#pool .blue {
color: dodgerblue;
}

.title {
}

.red {
color: indianred
}

.blue {
color: dodgerblue
}

.green {
color: forestgreen
}

.purple {
color: mediumpurple
}

.pink {
color: deeppink
}

.dark {
color: black
}

.yellow {
color: yellowgreen
}
</style>
<script type="text/javascript">

//红色选择六个数 1-33里选
//蓝色选择一个数 1-16里选

var ticket = {};
window.onload = function () {
var btn = document.getElementById('lotty');

//摇奖按钮事件
btn.addEventListener('click', function () {

reset_ticket();
for (var i = 0; i < 6; i++) {
ticket['red'].push(Math.floor(Math.random() * 33 + 1));
}

ticket['blue'] = Math.floor(Math.random() * 16 + 1);

append_pull(ticket);
});

//自动滚动生成
var scroll = document.getElementById("scroll");
var interval;
scroll.addEventListener('click', function () {
if (scroll.innerHTML == 'SCROLL@') {
scroll.innerHTML = "PAUSE-";
//开始滚动
interval = setInterval(function () {
btn.click();
}, 1000);
}
else {
scroll.innerHTML = "SCROLL@";
clearInterval(interval);
}
});

var clear = document.getElementById('clear');
clear.addEventListener('click', function () {
var pool = document.getElementById('pool');
pool.innerHTML = '';
});

blink();
};

//title变换颜色class组
var colors = ['red', 'blue', 'green', 'purple', 'pink', 'dark', 'yellow'];

//闪烁标题
var blink = function () {
var title = document.getElementById('title');
var titles = title.innerHTML.split('');

setInterval(function () {
var html = '';
for (var i = 0; i < titles.length; i++) {
html += '<span class=' + colors[Math.floor(Math.random() * 7)] + '>' + titles[i] + '</span>';
}
title.innerHTML = html;
}, 1000);
};

//生成结果滚动展示
function append_pull(ticket) {
var pool = document.getElementById('pool');
pool.innerHTML = pool.innerHTML + "<span class=\'red\'>" + ticket['red'].join(" ") + "</span><span class=\'blue\'> (" + ticket['blue'] + ")</span><br />";

setInterval(scroll_end(pool), 100);
reset_ticket();
}

//重置ticket
function reset_ticket() {
ticket = {};
ticket['red'] = [];
ticket['blue'] = null;
}

//滚动到对象底部
function scroll_end(e) {
e.scrollTop = e.scrollHeight;
}
</script>
</head>
<body>
<div><h1 class="title" id="title">LOTTY WINNER~!</h1></div>
<br/>
<div id="pool">

</div>
<br/>
<button id="lotty">LOTTY ME~!</button>
<button id="scroll">SCROLL@</button>
<button id="clear">CLEAR^</button>
</body>
</html>