转载请注明出处，原文链接https://blog.csdn.net/qq_45549336/article/details/115255581?spm=1001.2014.3001.5501
<html>
<head>
<meta charset="UTF-8">
<title>抽奖</title>
<style type="text/css">
body {
background-color:#130f40;
font-size: 70px;
text-align: center;
margin: 0;
padding: 0;
}
.start-button {
width: 270px;
height: 40px;
border-width: 0px;
border-radius: 3px;
background: #1E90FF;
cursor: pointer;
outline: none;
font-family: Microsoft YaHei;
color: white;
font-size: 17px;
}
.start-button:hover {
/* 鼠标移入按钮范围时改变颜色 */
background: #5599FF;
}
</style>
<script type="text/javascript">
var run = false;
function count() {
num.innerHTML = parseInt(Math.random() * 100);
}
function a() {
if (true == run) {
clearInterval(timerID);
start.value = "开始";
run = false;
} else if (false == run) {
timerID = setInterval("count()", 10);
start.value = "暂停";
run = true;
}
}
</script>
</head>
<body>
<div style="font-size: 250px;">
<font id="num" face="impact" color="#eb4d4b">100</font>
<div></div>
<input class="start-button" type="button" id="start" value="开始抽奖" onclick="a()" />
</div>
</body>
</html>
转载请注明出处，原文链接https://blog.csdn.net/qq_45549336/article/details/115255581?spm=1001.2014.3001.5501